Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9468350 | Cleaning tool | Hirotoshi Tawara, Satoshi Nagai | 2016-10-18 |
| 8793831 | Cleaning device | Makoto Katou, Susumu Fujinami, Kimie Sannomiya, Tomohisa Hirata, Yutaka Hamano +1 more | 2014-08-05 |
| 8694226 | Control apparatus for internal combustion engine, control method for internal combustion engine and non-transitory computer-readable recording medium | Ken Kurahashi, Koichi Saiki | 2014-04-08 |
| 7134160 | Cleaning device | Hirotoshi Tawara, Tokuji Noguchi | 2006-11-14 |
| 7003840 | Cleaning device | Hirotoshi Tawara | 2006-02-28 |
| D510467 | Cleaner | Hidesato Kizaki, Hirotoshi Tawara | 2005-10-04 |
| 6783600 | Cleaning device and method of use | Hirotoshi Tawara | 2004-08-31 |
| 6393189 | Optical beam diameter reducer | Yoshinori Mimura, Tetsuya Nakai, Toshio Tani | 2002-05-21 |
| 6082345 | Air-fuel ratio control system for internal combustion engines | Kota Ikeuchi, Norio Suzuki | 2000-07-04 |
| 6020991 | Optical amplifier | Mimura Yoshinori, Tetsuya Nakai, Toshio Tani, Tomomi Sudo, Shunichi Ohno | 2000-02-01 |
| 5919346 | Oxygen concentration-detecting device for internal combustion engines | Norio Suzuki, Daisuke Shimizu | 1999-07-06 |
| 5869744 | Oxygen concentration-detecting device for internal combustion engines | Norio Suzuki, Daisuke Shimizu, Koichi Saiki | 1999-02-09 |
| 5741608 | Multi-layer type nonaqueous electrolyte secondary cell | Kazuya Kojima, Yasuo Yukita, Nobuhiro Fujiwara | 1998-04-21 |
| 5732689 | Air-fuel ratio control system for internal combustion engines | Hiroshi Ohno, Koichi Saiki, Shusuke Akazaki, Yoshitaka Takasuka, Yusuke Hasegawa | 1998-03-31 |
| 5724952 | Air-fuel ratio control system for internal combustion engines | Kotaro Miyashita, Hirofumi Mutoh, Katsushi Watanabe, Fumio Hara | 1998-03-10 |
| 5708752 | Fluoride optical fiber for high power laser transmission | Yoshinori Mimura, Tetsuya Nakai, Toshio Tani | 1998-01-13 |
| 5705292 | Lithium ion secondary battery | Yasuo Yukita, Nobuhiro Fujiwara, Kazuya Kojima | 1998-01-06 |
| 5349600 | Solid state laser | Osamu Shinbori, Yoshinori Mimura, Tetsuya Nakai | 1994-09-20 |
| 4925475 | Method and apparatus for manufacturing preform for fluoride glass fiber | Yoshinori Mimura, Naoki Norimatsu, Hideharu Tokiwa, Osamu Shinbori | 1990-05-15 |
| 4837526 | Semiconductor external optical modulator | Masatoshi Suzuki, Yukitoshi Kushiro, Shigeyuki Akiba | 1989-06-06 |
| 4820655 | Method for manufacturing semiconductor optical integrated device with optical waveguide regions | Masatoshi Suzuki, Yukitoshi Kushiro, Shigeyuki Akiba | 1989-04-11 |
| 4811353 | Semiconductor optical modulator | Masatoshi Suzuki, Yukitoshi Kushiro, Shigeyuki Akiba | 1989-03-07 |
| 4796274 | Semiconductor device with distributed bragg reflector | Shigeyuki Akiba, Masashi Usami, Masatoshi Suzuki | 1989-01-03 |
| 4773075 | Light emitting device | Shigeyuki Akiba, Katsuyuki Utaka, Masatoshi Suzuki | 1988-09-20 |
| 4743087 | Optical external modulation semiconductor element | Katsuyuki Utaka, Shigeyuki Akiba, Yukitoshi Kushiro | 1988-05-10 |