Issued Patents All Time
Showing 1–25 of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12362372 | Fuel cell system | Masayuki Ito, Takahiro UMEHARA, Tomohiko Kaneko | 2025-07-15 |
| 12119736 | Power supply unit capable of reducing possibility of overcurrent and current shortage | Tomohiko Kaneko, Takahiro UMEHARA, Masayuki Ito | 2024-10-15 |
| 11831055 | Fuel cell system | Takahiro UMEHARA, Masayuki Ito, Tomohiko Kaneko | 2023-11-28 |
| 9203314 | Converter controlling apparatus and multiphase converter | Hiroyuki Imanishi, Kota Manabe, Takahiko Hasegawa | 2015-12-01 |
| 9029030 | Fuel cell system including soft switching boost converter | Hiroyuki Imanishi, Kota Manabe, Takahiko Hasegawa, Atsuo Kawamura, Yukinori Tsuruta | 2015-05-12 |
| 9024598 | Converter control device | Takahiko Hasegawa, Kota Manabe, Takahiro UMEHARA | 2015-05-05 |
| 9002417 | Electronic device | Atsushi Okamoto | 2015-04-07 |
| 8952702 | Fuel cell system | Takahiko Hasegawa | 2015-02-10 |
| 8933354 | Electronic device | Naohiro Ohata | 2015-01-13 |
| 8906567 | Fuel cell system | Takahiko Hasegawa, Kota Manabe | 2014-12-09 |
| 8896282 | Converter controller | Takahiko Hasegawa, Kota Manabe | 2014-11-25 |
| D710653 | Drink container | Norifumi Goto | 2014-08-12 |
| 8768422 | Sliding-type mobile electronic device | — | 2014-07-01 |
| 8668377 | Gas diluter | — | 2014-03-11 |
| 8658322 | Fuel cell system | — | 2014-02-25 |
| 8610414 | Vehicle-mounted multi-phase converter and design method thereof | Hiroo Fuma, Yuji Nishibe, Kota Manabe | 2013-12-17 |
| 8603687 | Fuel cell system | Kenichi Hamada, Kouta Manabe, Hiroyuki Imanishi | 2013-12-10 |
| D672648 | Closure for drink container | Norifumi Goto | 2012-12-18 |
| 8334077 | Fuel cell system and fuel cell vehicle | — | 2012-12-18 |
| 8277999 | Fuel cell system and method to prevent freezing after shut-down | Takahide Izutani | 2012-10-02 |
| 8255019 | Slidable portable electronic device | Shinya Hayashi | 2012-08-28 |
| 8129998 | Performance degradation analyzer and method of the same | Nobuo Watanabe | 2012-03-06 |
| D641241 | Plug body for drink container | Norifumi Goto | 2011-07-12 |
| RE42484 | Drink container | Shigetaka Kanai, Keiko Fukuda | 2011-06-28 |
| D635019 | Plug body for drink container | Norifumi Goto | 2011-03-29 |