Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12264675 | Electric compressor | Toshiharu AWA, Takayuki Kato, Toshiyuki Miyano, Noritaka Nishimori, Toshiyuki Kobayashi | 2025-04-01 |
| 12071948 | Scroll compressor having injection passage containing muffler | Yoshihiro Fukaya, Shinji Tsubai | 2024-08-27 |
| 9199197 | Exhaust gas purification apparatus for internal combustion engine | Kohei Yoshida, Tadashi Watanabe, Kotaro Hayashi, Takamitsu Asanuma | 2015-12-01 |
| 8151554 | Exhaust gas purification system for an internal combustion engine | — | 2012-04-10 |
| 7685812 | Exhaust purification device and exhaust purification method of internal combustion engine | Kohei Yoshida, Shinya Hirota, Takamitsu Asanuma, Shunsuke Toshioka | 2010-03-30 |
| 7506502 | Exhaust gas purifying system for internal combustion engine | Shinya Hirota | 2009-03-24 |
| 7181904 | Exhaust purification device of compression ignition type internal combustion engine | Kohei Yoshida, Shinya Hirota | 2007-02-27 |
| 7146800 | Exhaust purification device and exhaust purification method of internal combustion engine | Shunsuke Toshioka, Shinya Hirota, Takamitsu Asanuma, Kohei Yoshida | 2006-12-12 |
| 6988360 | Exhaust emission purification device for internal combustion engine | Koichi Kimura, Shinya Hirota, Yoshimitsu Henda, Kazuhiro Itoh, Takamitsu Asanuma +3 more | 2006-01-24 |
| 6955041 | Exhaust gas purifying apparatus for internal combustion engine | Shinichi Takeshima, Shinya Hirota, Kazuhiro Itoh, Takamitsu Asanuma, Kohei Yoshida | 2005-10-18 |
| 6956008 | Storage-reduction type NOx purifying catalyst | Shinichi Takeshima, Kohei Yoshida | 2005-10-18 |
| 6901743 | Exhaust gas purifying method, exhaust gas purifying apparatus, and exhaust gas collecting apparatus of internal combustion engine | Takamitsu Asanuma, Toshiaki Tanaka, Shinya Hirota, Takanori Ueda, Tetsuya Yamashita | 2005-06-07 |
| 6901750 | Exhaust emission control apparatus and method for internal combustion engine | Shunsuke Toshioka, Shinya Hirota, Yoshimitsu Henda, Kazuhiro Itoh, Takamitsu Asanuma +4 more | 2005-06-07 |
| 6837043 | Device for purifying the exhaust gas of an internal combustion engine | Koichiro Nakatani, Shinya Hirota, Yoshimitsu Henda, Kazuhiro Itoh, Takamitsu Asanuma +3 more | 2005-01-04 |
| 5628003 | Document storage and retrieval system for storing and retrieving document image and full text data | Hiromichi Fujisawa, Atsushi Hatakeyama, Junichi Higashino, Toshihiro Hananoi | 1997-05-06 |
| 5265242 | Document retrieval system for displaying document image data with inputted bibliographic items and character string selected from multiple character candidates | Hiromichi Fujisawa, Atsushi Hatakeyama, Junichi Higashino, Toshihiro Hananoi | 1993-11-23 |
| 5235653 | Document analysis system | Hiromichi Fujisawa, Kunihiro Okada, Osamu Kunisaki, Toshitsugu Ozaki | 1993-08-10 |
| 5129016 | System for registration of documents | Tatsuya Murakami, Masaaki Fujinawa, Hiromichi Fujisawa | 1992-07-07 |
| 4985863 | Document storage and retrieval system | Hiromichi Fujisawa, Atsushi Hatakeyama, Junichi Higashino, Toshihiro Hananoi | 1991-01-15 |
| 4933984 | Document analysis system | Hiromichi Fujisawa, Kunihiro Okada, Osamu Kunisaki, Toshitsugu Ozaki | 1990-06-12 |
| 4907285 | Image understanding system | Hiromichi Fujisawa, Junichi Higashino, Masakazu Ejiri | 1990-03-06 |
| 4654873 | System and method for segmentation and recognition of patterns | Hiromichi Fujisawa, Hitoshi Komatsu, Shozo Kadota, Kiyomichi Kurino | 1987-03-31 |