Issued Patents All Time
Showing 51–75 of 82 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9181842 | Temperature sensor, sulfur component detector, and exhaust purification system for internal combustion engine | Kazuhiro Umemoto, Hiromasa Nishioka, Yoshihisa Tsukamoto, Takamitsu Asanuma, Takao Fukuma +3 more | 2015-11-10 |
| 9108153 | Exhaust purification system of internal combustion engine | Hiromasa Nishioka, Kohei Yoshida, Yoshihisa Tsukamoto, Yuki Bisaiji, Takamitsu Asanuma | 2015-08-18 |
| 9080480 | Exhaust purification system for internal combustion engine | Hiroshi Otsuki, Shigeki Nakayama, Hiromasa Nishioka, Katsuhiko Oshikawa, Yoshihisa Tsukamoto +3 more | 2015-07-14 |
| 9064809 | Method for removing oxide film formed on surface of silicon wafer | Hiroyuki Matsuyama, Chieko Takada, Hiroyuki Komatsu | 2015-06-23 |
| 9057299 | Exhaust purification system for internal combustion engine | Hiroshi Otsuki, Shigeki Nakayama, Hiromasa Nishioka, Katsuhiko Oshikawa, Yoshihisa Tsukamoto +3 more | 2015-06-16 |
| 9057298 | Exhaust purification system for internal combustion engine | Hiroshi Otsuki, Shigeki Nakayama, Hiromasa Nishioka, Katsuhiko Oshikawa, Yoshihisa Tsukamoto +3 more | 2015-06-16 |
| 9017614 | Exhaust purification system of internal combustion engine | Yoshihisa Tsukamoto, Hiromasa Nishioka, Kohei Yoshida, Yuki Bisaiji, Takamitsu Asanuma | 2015-04-28 |
| 9011569 | Particulate filter | Hiroshi Otsuki, Shigeki Nakayama, Hiromasa Nishioka, Katsuhiko Oshikawa, Yoshihisa Tsukamoto +3 more | 2015-04-21 |
| 8955313 | Exhaust purification system of internal combustion engine | Hiromasa Nishioka, Katsuhiko Oshikawa, Yoshihisa Tsukamoto, Hiroshi Otsuki, Shigeki Nakayama | 2015-02-17 |
| 8834802 | Exhaust purification system of internal combustion engine | Yoshihisa Tsukamoto, Hiromasa Nishioka, Katsuhiko Oshikawa, Hiroshi Otsuki, Shigeki Nakayama | 2014-09-16 |
| 8778053 | Method of removing ash from particulate filter | Hiroshi Otsuki, Shigeki Nakayama, Hiromasa Nishioka, Katsuhiko Oshikawa, Yoshihisa Tsukamoto +3 more | 2014-07-15 |
| 8701393 | Exhaust purification system of internal combustion engine | Takamitsu Asanuma, Yoshihisa Tsukamoto, Kazuhiro Umemoto, Hiromasa Nishioka | 2014-04-22 |
| 8695399 | Detector for detecting sulfur components | Hiromasa Nishioka, Yoshihisa Tsukamoto, Katsuhiko Oshikawa, Hiroshi Otsuki | 2014-04-15 |
| 8621852 | Detector for detecting sulfur components | Katsuhiko Oshikawa, Takamitsu Asanuma, Hiromasa Nishioka, Yoshihisa Tsukamoto, Hiroshi Otsuki +1 more | 2014-01-07 |
| 8590293 | Exhaust emission purifier of internal combustion engine | Hiromasa Nishioka, Yoshihisa Tsukamoto, Kazuhiro Umemoto | 2013-11-26 |
| 8555699 | Detector for detecting sulfur components | Hiroshi Otsuki, Hiromasa Nishioka, Katsuhiko Oshikawa, Yoshihisa Tsukamoto | 2013-10-15 |
| 8465702 | Exhaust purification system of internal combustion engine | Yoshihisa Tsukamoto, Hiromasa Nishioka, Katsuhiko Oshikawa, Hiroshi Otsuki | 2013-06-18 |
| 8388893 | Combined detector | Kazuaki Sawada, Hirokazu Nakazawa | 2013-03-05 |
| 7826980 | Cumulative chemical/physical phenomenon detecting apparatus | Kazuaki Sawada, Takeshi Hizawa, Yuki Maruyama | 2010-11-02 |
| 6333467 | Flexible printed wiring board | — | 2001-12-25 |
| 5113265 | Apparatus for determining recording mode of frequency-modulated video signal | Yasuhito Kobayashi | 1992-05-12 |
| 4904509 | Injection-molded body of olefin/vinyl alcohol copolymer and process for preparation thereof | Shigezo Nohara, Sadao Hirata, Masami Hirano, Isao Tanikawa | 1990-02-27 |
| 4799387 | Automatic ultrasonic testing method | — | 1989-01-24 |
| 4798697 | Process for preparation of injection molded body of olefin/vinyl alcohol copolymer | Shigezo Nohara, Sadao Hirata, Masami Hirano, Isao Tanikawa | 1989-01-17 |
| 4741936 | Laminate preform for a multi-layer polyester bottle | Shigezo Nohara, Takeshi Sugimoto, Kozaburo Sakano, Yoshimichi Ohkubo | 1988-05-03 |