Issued Patents All Time
Showing 51–75 of 92 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7251072 | Optical transmission system | Toshihiro Ohtani, Eiji Ishikawa, Hiroto Ikeda, Hiroyuki Deguchi | 2007-07-31 |
| 7130591 | Cell phone | Hiroshi Iwai, Koichi Ogawa, Kenichi Yamada, Kazuhiko Ohta, Masayoshi Hirai | 2006-10-31 |
| 6910453 | Automotive internal combustion engine control system | Soichi Sugino, Yorinori Kumagai | 2005-06-28 |
| 6897814 | Mobile radio | Hiroshi Iwai, Atsushi Yamamoto, Koichi Ogawa, Shinji Kamaeguchi, Kenichi Yamada | 2005-05-24 |
| 6852063 | Automotive internal combustion engine control system | Yorinori Kumagai, Chihiro Matsubara | 2005-02-08 |
| 6818044 | Process for recovery of subliming substance | Kenji Nakahara | 2004-11-16 |
| 6819828 | Method and device for optical fiber transmission | Toshihiro Ohtani, Yoichi Oikawa | 2004-11-16 |
| 6733412 | Automotive automatic transmission | Yorinori Kumagai, Tetsuo Naraki | 2004-05-11 |
| 6699999 | Process for producing pyromellitic anhydride | Hiroyuki Uhara, Kazuo Anyouji, Etsushige Matsunami | 2004-03-02 |
| 6674567 | Raman excitation control method and optical transmission system using the same | Toshihiro Ohtani, Futoshi Izumi, Shota Mori, Hideki Kobayashi | 2004-01-06 |
| 6670925 | Inverted F-type antenna apparatus and portable radio communication apparatus provided with the inverted F-type antenna apparatus | Hiroshi Iwai, Atsushi Yamamoto, Koichi Ogawa, Shinji Kamaeguchi, Kenichi Yamada | 2003-12-30 |
| 6638345 | Method for collecting reversely subliming substance and apparatus therefor | Shigetaka Takamiya, Kenji Nakahara | 2003-10-28 |
| 6633261 | Antenna and wireless device incorporating the same | Hiroshi Iwai, Atsushi Yamamoto, Koichi Ogawa, Shinji Kamaeguchi, Kenichi Yamada | 2003-10-14 |
| 6611373 | Optical amplification block, and optical amplification system using the same | — | 2003-08-26 |
| 6576773 | Method for production of pyromellitic dianhydride | Kenji Nakahara, Shigetaka Takamiya | 2003-06-10 |
| 6532102 | Optical amplifier | Hideki Kobayashi, Toshihiro Ohtani, Futoshi Izumi, Shota Mori | 2003-03-11 |
| 6471615 | Automatic transmission for vehicle | Tetsuo Naraki, Eiichiro Kawahara | 2002-10-29 |
| 6452021 | Process for producing pyromellitic anhydride | Yasuhisa Emoto, Etsushige Matsunami | 2002-09-17 |
| 6429340 | Process for producing 2,4,5,-trialkylbenzaldenhydes | Bo-Qing Xu, Yasuo Ohnoki | 2002-08-06 |
| 6422371 | Centrifugal friction clutch for automatic transmission | Tetsuo Naraki, Eiichiro Kawahara | 2002-07-23 |
| 6380399 | Process for producing phthalic anhydride | Masaaki Okuno | 2002-04-30 |
| 6375592 | Automatic transmission for vehicle | Tetsuo Naraki, Eiichiro Kawahara | 2002-04-23 |
| 6363807 | Variable speed gearing system | Eiichiro Kawahara, Tetsuo Naraki | 2002-04-02 |
| 6344568 | Catalyst for gas phase partial oxidation | Masaaki Okuno, Hiromi Yunoki, Yasushi Kiyooka, Daisuke Nakamura, Michio Tanimoto | 2002-02-05 |
| 6153767 | Production process for pyromellitic dianhydride | Toshio Sagane, Yasuhisa Emoto | 2000-11-28 |