Also listed on Johnson Controls Denmark APS, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Jan 14, 2033 · High confidence
20-year base term ends Mar 15, 2031
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 Control Dnemark APS
Filed Sep 17, 2012 as application 13/635,551 · Granted Nov 17, 2015
Base term plus 671 days of patent term adjustment (USPTO delay)
Today
2011
2033
Clock starts
Mar 15, 2011
Mar 15, 2011
Term ends
Jan 14, 2033
Jan 14, 2033
Granted
Nov 17, 2015
Nov 17, 2015
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
671
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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 671 days past its 20-year base term on prosecution delay. 2 of 3 maintenance fees are paid so far. 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 Mar 15, 2011, when application PCT/JP2011/001512, the earliest non-provisional in its chain, was filed (this one was filed Sep 17, 2012) | Mar 15, 2031 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +671 days, USPTO patent term adjustment record | Jan 14, 2033 | 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 | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jan 14, 2033 | High confidence |
This family
| US 9,188,135 | this patent Jan 2033 | Jan 2033 |
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 |
|---|---|---|---|
| Sep 19, 2012 Reel 28988, frame 547 | Nakayama, Yoshihiro; Baba, Yoshitaka; Ide, Satoshi; Iizuka, Koichiro; Fujisawa, Ryo; Toshima, Masatake; Suto, Kunihiko; Kurashige, Kazutaka; Sakuraba, Ichirou; Hayashi, Daisuke; Sugano, Keiji; Rasmussen, Svend; Al-janabi, Ziad; Jensen, Finn; Moller, Lars Bay; Madsboll, Hans; Svarregaard-jensen, Christian; Kristensen, Klaus Damgaard | 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 |
| Sep 19, 2012 reel/frame not recorded | Baba, Yoshitaka; Fujisawa, Ryo; Ide, Satoshi; Iizuka, Koichiro; Nakayama, Yoshihiro; Sugano, Keiji; Toshima, Masatake; Hayashi, Daisuke; Sakuraba, Ichirou; Svarregaard-jensen, Christian; Madsboll, Hans; Kurashige, Kazutaka; Suto, Kunihiko; Jensen, Finn; Kristensen, Klaus Damgaard; Moller, Lars Bay; Rasmussen, Svend; Al-janabi, Ziad | Tokyo Electric Power Company, Incorporated | Assignment of Assignor's Interest |
| Sep 19, 2012 reel/frame not recorded | Baba, Yoshitaka; Fujisawa, Ryo; Ide, Satoshi; Iizuka, Koichiro; Nakayama, Yoshihiro; Sugano, Keiji; Toshima, Masatake; Hayashi, Daisuke; Sakuraba, Ichirou; Svarregaard-jensen, Christian; Madsboll, Hans; Kurashige, Kazutaka; Suto, Kunihiko; Jensen, Finn; Kristensen, Klaus Damgaard; Moller, Lars Bay; Rasmussen, Svend; Al-janabi, Ziad | Chubu Electric Power Company, Incorporated | Assignment of Assignor's Interest |
| Sep 19, 2012 reel/frame not recorded | Baba, Yoshitaka; Fujisawa, Ryo; Ide, Satoshi; Iizuka, Koichiro; Nakayama, Yoshihiro; Sugano, Keiji; Toshima, Masatake; Hayashi, Daisuke; Sakuraba, Ichirou; Svarregaard-jensen, Christian; Madsboll, Hans; Kurashige, Kazutaka; Suto, Kunihiko; Jensen, Finn; Kristensen, Klaus Damgaard; Moller, Lars Bay; Rasmussen, Svend; Al-janabi, Ziad | The Kansai Electric Power Co., Inc. | Assignment of Assignor's Interest |
| Sep 19, 2012 reel/frame not recorded | Baba, Yoshitaka; Fujisawa, Ryo; Ide, Satoshi; Iizuka, Koichiro; Nakayama, Yoshihiro; Sugano, Keiji; Toshima, Masatake; Hayashi, Daisuke; Sakuraba, Ichirou; Svarregaard-jensen, Christian; Madsboll, Hans; Kurashige, Kazutaka; Suto, Kunihiko; Jensen, Finn; Kristensen, Klaus Damgaard; Moller, Lars Bay; Rasmussen, Svend; Al-janabi, Ziad | Kabushiki Kaisha Kobe Seiko Sho | Assignment of Assignor's Interest |
| Sep 19, 2012 reel/frame not recorded | Baba, Yoshitaka; Fujisawa, Ryo; Ide, Satoshi; Iizuka, Koichiro; Nakayama, Yoshihiro; Sugano, Keiji; Toshima, Masatake; Hayashi, Daisuke; Sakuraba, Ichirou; Svarregaard-jensen, Christian; Madsboll, Hans; Kurashige, Kazutaka; Suto, Kunihiko; Jensen, Finn; Kristensen, Klaus Damgaard; Moller, Lars Bay; Rasmussen, Svend; Al-janabi, Ziad | Danish Technological Institute | Assignment of Assignor's Interest |
| Sep 19, 2012 reel/frame not recorded | Baba, Yoshitaka; Fujisawa, Ryo; Ide, Satoshi; Iizuka, Koichiro; Nakayama, Yoshihiro; Sugano, Keiji; Toshima, Masatake; Hayashi, Daisuke; Sakuraba, Ichirou; Svarregaard-jensen, Christian; Madsboll, Hans; Kurashige, Kazutaka; Suto, Kunihiko; Jensen, Finn; Kristensen, Klaus Damgaard; Moller, Lars Bay; Rasmussen, Svend; Al-janabi, Ziad | 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 52154, frame 552 | 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 Control Dnemark APS | Assignment of Assignor's Interest |
| Mar 18, 2020 Reel 52188, frame 578 | 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 Control Dnemark 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
Jan 2033
Term ends Jan 14, 2033. Maintenance fees still fall due before then
Note
The 671 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
1
later US patent cites this one
That is below the median of utility patents granted in 2015 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.