Also listed on Johnson Controls Denmark APS, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Jul 1, 2030 · High confidence
20-year base term ends Jul 23, 2029
Held by Tokyo Electric Power Company Holdings, Incorporated, The Kansai Electric Power Co., Inc., Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.), Danish Technological Institute and Johnson Controls Denmark APS
Filed Mar 30, 2011 as application 12/737,529 · Granted Jan 7, 2014
Base term plus 343 days of patent term adjustment (USPTO delay)
Today
2009
2030
Clock starts
Jul 23, 2009
Jul 23, 2009
Term ends
Jul 1, 2030
Jul 1, 2030
Granted
Jan 7, 2014
Jan 7, 2014
base term
patent term adjustment
fee events
Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
343
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.
2
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
This patent's term runs 343 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. Confidence: High. from the record
How we calculated this date
One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Jul 23, 2009, when application PCT/JP2009/063193, the earliest non-provisional in its chain, was filed (this one was filed Mar 30, 2011) | Jul 23, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +343 days, USPTO patent term adjustment record | Jul 1, 2030 | High confidence |
| Terminal disclaimer cap | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jul 1, 2030 | High confidence |
This family
| US 8,621,882 | this patent Jul 2030 | Jul 2030 |
1 of 2 applications in this family shown, earliest filings first. The applications whose file history this site holds. The family may have others.
Assignments
Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Jan 21, 2011 Reel 25697, frame 625 | Iizuka, Koichiro; Ide, Satoshi; Kanemura, Toshikatsu; Nakayama, Yoshihiro; Toshima, Masatake; Okada, Kazuto; Suto, Kunihiko; Kurashige, Kazutaka; Sakuraba, Ichirou; Hayashi, Daisuke; Ikeuchi, Masaki; Shato, Shinji; Moller, Lars Bay; Jensen, Finn; Al-janabi, Ziad; Rasmussen, Svend; Madsboll, Hans; Svarregaard-jensen, Christian | The Tokyo Electric Power Company, Incorporated; Chubu Electric Power Company, Incorporated; The Kansai Electric Power Co., Inc.; Kabushiki Kaisha Kobe Seiko Sho; Danish Technological Institute; Johnson Controls Denmark APS | Assignment of Assignor's Interest |
| Jan 21, 2011 reel/frame not recorded | Ide, Satoshi; Iizuka, Koichiro; Kanemura, Toshikatsu; Nakayama, Yoshihiro; Okada, Kazuto; Toshima, Masatake; Hayashi, Daisuke; Sakuraba, Ichirou; Kurashige, Kazutaka; Suto, Kunihiko; Svarregaard-jensen, Christian; Rasmussen, Svend; Al-janabi, Ziad; Jensen, Finn; Moller, Lars Bay; Ikeuchi, Masaki; Madsboll, Hans; Shato, Shinji | The Tokyo Electric Power Company, Incorporated | Assignment of Assignor's Interest |
| Jan 21, 2011 reel/frame not recorded | Ide, Satoshi; Iizuka, Koichiro; Kanemura, Toshikatsu; Nakayama, Yoshihiro; Okada, Kazuto; Toshima, Masatake; Hayashi, Daisuke; Sakuraba, Ichirou; Kurashige, Kazutaka; Suto, Kunihiko; Svarregaard-jensen, Christian; Rasmussen, Svend; Al-janabi, Ziad; Jensen, Finn; Moller, Lars Bay; Ikeuchi, Masaki; Madsboll, Hans; Shato, Shinji | Chubu Electric Power Company, Incorporated | Assignment of Assignor's Interest |
| Jan 21, 2011 reel/frame not recorded | Ide, Satoshi; Iizuka, Koichiro; Kanemura, Toshikatsu; Nakayama, Yoshihiro; Okada, Kazuto; Toshima, Masatake; Hayashi, Daisuke; Sakuraba, Ichirou; Kurashige, Kazutaka; Suto, Kunihiko; Svarregaard-jensen, Christian; Rasmussen, Svend; Al-janabi, Ziad; Jensen, Finn; Moller, Lars Bay; Ikeuchi, Masaki; Madsboll, Hans; Shato, Shinji | The Kansai Electric Power Co., Inc. | Assignment of Assignor's Interest |
| Jan 21, 2011 reel/frame not recorded | Ide, Satoshi; Iizuka, Koichiro; Kanemura, Toshikatsu; Nakayama, Yoshihiro; Okada, Kazuto; Toshima, Masatake; Hayashi, Daisuke; Sakuraba, Ichirou; Kurashige, Kazutaka; Suto, Kunihiko; Svarregaard-jensen, Christian; Rasmussen, Svend; Al-janabi, Ziad; Jensen, Finn; Moller, Lars Bay; Ikeuchi, Masaki; Madsboll, Hans; Shato, Shinji | Kabushiki Kaisha Kobe Seiko Sho | Assignment of Assignor's Interest |
| Jan 21, 2011 reel/frame not recorded | Ide, Satoshi; Iizuka, Koichiro; Kanemura, Toshikatsu; Nakayama, Yoshihiro; Okada, Kazuto; Toshima, Masatake; Hayashi, Daisuke; Sakuraba, Ichirou; Kurashige, Kazutaka; Suto, Kunihiko; Svarregaard-jensen, Christian; Rasmussen, Svend; Al-janabi, Ziad; Jensen, Finn; Moller, Lars Bay; Ikeuchi, Masaki; Madsboll, Hans; Shato, Shinji | Danish Technological Institute | Assignment of Assignor's Interest |
| Jan 21, 2011 reel/frame not recorded | Ide, Satoshi; Iizuka, Koichiro; Kanemura, Toshikatsu; Nakayama, Yoshihiro; Okada, Kazuto; Toshima, Masatake; Hayashi, Daisuke; Sakuraba, Ichirou; Kurashige, Kazutaka; Suto, Kunihiko; Svarregaard-jensen, Christian; Rasmussen, Svend; Al-janabi, Ziad; Jensen, Finn; Moller, Lars Bay; Ikeuchi, Masaki; Madsboll, Hans; Shato, Shinji | Johnson Controls Denmark APS | Assignment of Assignor's Interest |
| Feb 2, 2017 Reel 41717, frame 286 | Tokyo Electric Power Co., Inc. | Tokyo Electric Power Company Holdings, Incorporated | Change of Name |
| Mar 29, 2017 Reel 42109, frame 1 | Tokyo Electric Power Co., Inc. | Tokyo Electric Power Company Holdings, Incorporated | Corrective Assignment to Correct the the Assignee Address Previously Recorded at Reel: 041717 Frame: 0286. Assignor(S) Hereby Confirms the Change of Name. |
| May 11, 2017 Reel 42444, frame 419 | Tokyo Electric Power Co., Inc. | Tokyo Electric Power Company Holdings, Incorporated | Corrective Assignment to Correct the Address of Assignee and Execution Date of Assignor Previously Recorded on Reel 042109 Frame 0001. Assignor(S) Hereby Confirms the Assignment. |
| Mar 18, 2020 Reel 52153, frame 786 | Chubu Electric Power Company, Incorporated | Tokyo Electric Power Company Holdings, Incorporated; The Kansai Electric Power Co., Inc.; Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.); Danish Technological Institute; Johnson Controls Denmark APS | Assignment of Assignor's Interest |
| Mar 18, 2020 Reel 52187, frame 582 | Kabushiki Kaisha Kobe Seiko Sho | Kabushiki Kaisha Kobe Seiko Sho | Change of Address |
| Mar 18, 2020 Reel 52187, frame 719 | Kabushiki Kaisha Kobe Seiko Sho | Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | Change of Name |
| Mar 18, 2020 reel/frame not recorded | Chubu Electric Power Company, Incorporated | Tokyo Electric Power Company Holdings, Incorporated | Assignment of Assignor's Interest |
| Mar 18, 2020 reel/frame not recorded | Chubu Electric Power Company, Incorporated | The Kansai Electric Power Co., Inc. | Assignment of Assignor's Interest |
| Mar 18, 2020 reel/frame not recorded | Chubu Electric Power Company, Incorporated | Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | Assignment of Assignor's Interest |
| Mar 18, 2020 reel/frame not recorded | Chubu Electric Power Company, Incorporated | Danish Technological Institute | Assignment of Assignor's Interest |
| Mar 18, 2020 reel/frame not recorded | Chubu Electric Power Company, Incorporated | Johnson Controls Denmark APS | Assignment of Assignor's Interest |
Sources
Google Patents · The patent document at USPTO · Assignment records at USPTO
USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup
Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Jul 2030
Term ends Jul 1, 2030. No further fees fall due before then
Note
The 343 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
98
later US patents cite this one
That is top 5% of utility patents granted in 2014 in our data, the only group it is compared against.
How we rank
Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.