Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10541517 | Spark plug for internal combustion engine and method for manufacturing the same | Kenji Hattori, Teiji Ishinada | 2020-01-21 |
| 10530132 | Spark plug for internal combustion engine and method for manufacturing the same | Kenji Hattori | 2020-01-07 |
| 10431960 | Spark plug for internal combustion engine | Ryohei Akiyoshi | 2019-10-01 |
| 10348060 | Spark plug | Tomoyuki Watanabe, Ryohei Akiyoshi | 2019-07-09 |
| 9948067 | Spark plug | Masamichi Shibata, Kenji Hattori | 2018-04-17 |
| 9899805 | Method for manufacturing spark plug | Tomoaki Kato | 2018-02-20 |
| 9568004 | Rotary compressor | Takeshi Ogata, Yu Shiotani, Takumi Hikichi, Kentaro Shii, Tadayoshi Shoyama +7 more | 2017-02-14 |
| 9512841 | Rotary compressor with oil retaining portion | Takeshi Ogata, Yu Shiotani, Takumi Hikichi, Kentaro Shii, Tadayoshi Shoyama +7 more | 2016-12-06 |
| 9482231 | Rotary compressor having an oil groove in an inner peripheral surface of a bearing | Shingo Oyagi, Hirofumi Yoshida, Hiroaki Nakai, Yu Shiotani, Tsuyoshi Karino | 2016-11-01 |
| 8985978 | Scroll compressor with bypass holes | Hiroaki Nakai, Hirofumi Yoshida, Tsuyoshi Karino, Shingo Oyagi, Noboru Iida | 2015-03-24 |
| 8841828 | Spark plug | Tomoyuki Igarashi, Tatsunori Yamada, Katsutoshi Nakayama | 2014-09-23 |
| 7942648 | Air pump | Atsushi Sakuda, Noboru Iida, Tatsuya Nakamoto, Kiyoshi Sawai, Hiroyuki Fukuhara +1 more | 2011-05-17 |
| 7632084 | Oilless rotary vane pump having open ends of vane grooves being inclined rearward in the rotation direction | Kiyoshi Sawai, Atsushi Sakuda, Tatsuya Nakamoto, Noboru Iida | 2009-12-15 |
| 6034962 | Communication method with attaching identifiers to receive request and transmit request | Mitsuo Asai, Hirofumi Yamashita, Yoshihiro Takiyasu | 2000-03-07 |
| 6014695 | Computer network system for packet-transferring data between computers, network file server in computer network system and data transferring method thereof | Hirofumi Yamashita, Yoshihiro Takiyasu, Mitsuo Asai, Nozomu Hirose, Miho Iwanaga +1 more | 2000-01-11 |