Issued Patents All Time
Showing 51–73 of 73 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6672050 | Exhaust gas purification device of an engine | Hiroki Murata, Toshio Suematsu, Shizuo Sasaki, Kohei Igarashi, Shinya Hirota +5 more | 2004-01-06 |
| 6655133 | Exhaust gas purifier for internal combustion engine | Akira Mikami, Shinya Hirota, Takamitsu Asanuma, Koichi Kimura, Shunsuke Toshioka +4 more | 2003-12-02 |
| 6644023 | Exhaust emission control device of internal combustion engine | Shinya Hirota, Toshiaki Tanaka, Takamitsu Asanuma, Koichiro Nakatani, Koichi Kimura | 2003-11-11 |
| 6644022 | Exhaust gas purification device of internal combustion engine | Shinya Hirota, Toshiaki Tanaka, Takamitsu Asanuma, Koichiro Nakatani, Koichi Kimura | 2003-11-11 |
| 6594991 | Exhaust purifying method and apparatus of an internal combustion engine | Toshiaki Tanaka, Shinya Hirota, Takamitsu Asanuma, Koichi Kimura, Koichiro Nakatani | 2003-07-22 |
| 6588204 | Device for purifying the exhaust gas of an internal combustion engine | Shinya Hirota, Toshiaki Tanaka, Koichiro Nakatani, Koichi Kimura | 2003-07-08 |
| 6568178 | Device for purifying the exhaust gas of an internal combustion engine | Shinya Hirota, Toshiaki Tanaka, Koichiro Nakatani, Takamitsu Asanuma, Koichi Kimura | 2003-05-27 |
| 6546721 | Exhaust gas purification device | Shinya Hirota, Toshiaki Tanaka, Koichiro Nakatani, Koichi Kimura, Takamitsu Asanuma | 2003-04-15 |
| 6510686 | Exhaust gas purifier for internal combustion engine and method for purifying exhaust gas | Koichi Kimura, Toshiaki Tanaka, Shinya Hirota, Takamitsu Asanuma, Koichiro Nakatani | 2003-01-28 |
| 6361579 | Exhaust gas purifier and method for internal combustion engine | Toshiaki Tanaka | 2002-03-26 |
| 6233927 | Exhaust gas purification device | Shinya Hirota, Toshiaki Tanaka, Nobumoto Ohashi, Eiji Iwasaki, Kouji Yoshizaki | 2001-05-22 |
| 6192675 | Exhaust gas purification device for an internal combustion engine | Shinya Hirota, Toshiaki Tanaka, Kouji Yoshizaki, Nobumoto Ohashi, Eiji Iwasaki | 2001-02-27 |
| 6101999 | Compression ignition type engine | Nobumoto Ohashi, Toshiaki Tanaka, Eiji Iwasaki, Shinya Hirota, Kouji Yoshizaki | 2000-08-15 |
| 6058700 | Device for purifying exhaust gas of engine | Tetsuya Yamashita, Toshiaki Tanaka, Shinichi Takeshima, Shinya Hirota, Eiji Iwasaki +2 more | 2000-05-09 |
| 6001445 | Simulation disk for measuring flying height of a magnetic head | Naoyuki Goto | 1999-12-14 |
| 5481427 | Mode selector mechanism for cassette tape recorder including improved cam gear and drive selecting mechanism | Jun Ishikawa, Michio Kawashima | 1996-01-02 |
| 4945867 | Two-stroke engine | Toshio Tanahashi, Masanobu Kanamaru, Yushiro Yasuda, Masahiko Masubuchi, Toshio Ito | 1990-08-07 |
| 4938213 | Two-stroke engine | Toshio Tanahashi, Toshio Itoh, Masanobu Kanamaru | 1990-07-03 |
| 4883030 | Combustion chamber of a two-stroke engine | Toshio Tanahashi, Masanobu Kanamaru, Toshio Itoh | 1989-11-28 |
| 4871639 | Carrier for electrophotographic developer | Takayoshi Aoki, Ikutaroh Nagatsuka, Masayuki Takeda, Toshio Honjo, Kenji Uchida | 1989-10-03 |
| 4861694 | Process for producing carriers for developer | Takayoshi Aoki, Masayuki Takeda, Ikutaroh Nagatsuka, Toshio Honjo, Kenji Uchida | 1989-08-29 |
| 4539895 | Sealing device | Hiroshi Tanaka, Mutuo Sugisaki | 1985-09-10 |
| 4532685 | Method of assembling a reciprocating compressor | Mutsuo Sugisaki, Hiroshi Tanaka | 1985-08-06 |