Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11103767 | Skateboard truck and skateboard fitted with same | — | 2021-08-31 |
| 7513022 | Method for manufacturing surface acoustic wave device | Mitsutaka Shimada, Yoshifumi Yamagata, Kazuhiro Otsuka, Masafumi Hisataka, Akira Oikawa +1 more | 2009-04-07 |
| 7154206 | Surface acoustic wave device and method for manufacturing same | Mitsutaka Shimada, Yoshifumi Yamagata, Kazuhiro Otsuka, Masafumi Hisataka, Akira Oikawa +1 more | 2006-12-26 |
| 5849165 | Oxygen sensor for preventing silicon poisoning | Takao Kojima, Hiroyuki Ishiguro, Toshiki Sawada, Kazuo Taguchi, Masahiko Yamada +1 more | 1998-12-15 |
| 5814285 | Poisoning-preventive layer-possessing support, poisoning-resistant catalyst, exhaust gas converter device, and poisoning-preventive gasoline composition | Takao Kojima, Ken Minoha | 1998-09-29 |
| 5811064 | Poisoning resistant catalyst for exhaust gas converters | Takao Kojima, Ken Minoha | 1998-09-22 |
| 5443711 | Oxygen-sensor element | Takao Kojima, Hiroyuki Ishiguro, Noriaki Kondo, Masahiko Yamada, Toshiki Sawada | 1995-08-22 |
| 5326597 | Method of producing oxygen sensor for air-fuel ratio control having a protective layer including oxygen storage material | Toshiki Sawada, Kazuo Taguchi, Takao Kojima, Hiroyuki Ishiguro, Masahiko Yamada | 1994-07-05 |
| 5316738 | Exhaust gas converter device | Takao Kojima, Ken Minoha | 1994-05-31 |
| 5160598 | Oxygen sensor for air-fuel ratio control having a protective layer including an oxygen storage material | Toshiki Sawada, Kazuo Taguchi, Takao Kojima, Hiroyuki Ishiguro, Masahiko Yamada | 1992-11-03 |
| 5122503 | Superconducting material and method of producing same | Atsuo Mizukami, Masao Nakao, Shingo Terakado, Ryohkan Yuasa, Masaaki Nemoto +2 more | 1992-06-16 |
| 5020499 | Apparatus for detecting abnormality of oxygen sensor and controlling air/fuel ratio | Takao Kojima, Toshiki Sawada | 1991-06-04 |
| 4767965 | Flat luminescent lamp for liquid crystalline display | Katsuhiro Hinotani, Hajime Hayama, Shunichi Kishimoto, Nobutake Kawamori, Katsumi Terada +2 more | 1988-08-30 |
| 4750102 | Power converting apparatus | Kazuyoshi Tsukamoto, Kazufumi Ushijima | 1988-06-07 |
| 4743122 | Infrared-ray temperature measuring apparatus | Yukinori Kuwano, Toshiaki Yokoo, Kenichi Shibata, Kousuke Takeuchi, Toshiharu Tanaka | 1988-05-10 |
| 4670293 | Method of making semiconductor film | Yukinori Kuwano, Shoichi Nakano, Tsugufumi Matsuoka, Souichi Sakai, Hirosato Yagi +1 more | 1987-06-02 |
| 4636445 | Metal/hydrogen alkaline storage battery | Takashi Sakai, Nobuhiro Furukawa, Shuzo Murakami, Takanao Matsumoto | 1987-01-13 |
| 4542578 | Method of manufacturing photovoltaic device | Isao Nagaoka, Yukinori Kuwano, Hiroshi Kawada, Souichi Sakai | 1985-09-24 |
| 4334120 | Sunlight-into-energy conversion apparatus | Yukinori Kuwano | 1982-06-08 |