Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10135327 | Power supply system | Shuji Tomura, Naoki Yanagizawa, Masaki Okamura, Naoyoshi Takamatsu | 2018-11-20 |
| 9941694 | Power supply system | Shuji Tomura, Naoki Yanagizawa, Masaki Okamura, Naoyoshi Takamatsu | 2018-04-10 |
| 9935548 | Power supply system having two DC power supplies | Masanori Ishigaki, Shuji Tomura, Takahide Sugiyama, Takaji Umeno, Masaki Okamura +1 more | 2018-04-03 |
| 9707516 | Honeycomb filter | Masaki Imaeda, Hokuto Ozeki | 2017-07-18 |
| 8895131 | Honeycomb structure | Seiji Tamura, Masaya Sato | 2014-11-25 |
| 8721979 | Honeycomb structure and exhaust gas purifying apparatus | Toyoki Ogasawara | 2014-05-13 |
| 8685885 | Honeycomb structure | Seiji Tamura, Masaya Sato | 2014-04-01 |
| 8394347 | Exhaust gas conversion system and exhaust gas conversion method | Masafumi Kunieda | 2013-03-12 |