Issued Patents All Time
Showing 51–67 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6597472 | Halftone dot image discrimination method and image processing device | Hiroyuki Suzuki, Atsushi Ishikawa | 2003-07-22 |
| 6535971 | Data processing system having plurality of processors and executing series of processings in prescribed order | Toshiya Shirasawa, Atsushi Ishikawa | 2003-03-18 |
| 6366702 | Method of and apparatus for image processing | Mitsuru Obara, Atsushi Ishikawa | 2002-04-02 |
| 6356361 | Image processing apparatus and method for processing gradation image data using error diffusion | Atsushi Ishikawa | 2002-03-12 |
| 6332045 | Image processing device | Atsushi Ishikawa | 2001-12-18 |
| 6181437 | Image processing apparatus capable of producing images without jaggies at edges | — | 2001-01-30 |
| 5982940 | Image data processing device and method of processing image data | — | 1999-11-09 |
| 5895859 | Pressure sensor | Tateki Mitani | 1999-04-20 |
| 5441031 | Evaporative fuel processing system for internal combustion engine | Takashi Kiyomiya, Takeshi Suzuki, Hideo Watanabe, Shoji Takahashi, Kazumi Yamazaki +5 more | 1995-08-15 |
| 5433108 | Crank angle sensor for internal combustion engine and cylinder identification system utilizing the same | — | 1995-07-18 |
| 5290514 | Dry analysis element having a constant blank value and process for preparing the same | Mitsutoshi Tanaka, Takaki Arai, Takeshi Igarashi | 1994-03-01 |
| 4842965 | Non aqueous electrochemical battery with explosion proof arrangement and a method of the production thereof | Hisashi Urushiwara, Tugiyasu Iwamaru, Kenya Kazehara, Osamu Watanabe, Kiyoshi Sato +4 more | 1989-06-27 |
| 4753129 | Steering wheel core metal | Syuichi Ishida | 1988-06-28 |
| 4618553 | Electrophotographic recording material comprises backing layer containing long-chain alkanoic acid metal salt | Yasuaki Yuyama, Junji Nakano, Shyunichi Kondo, Hideo Sato | 1986-10-21 |
| 4362800 | Sensitized photoconductive compositions and electrophotographic photosensitive layers using such | Masaaki Takimoto, Kouichi Kawamura | 1982-12-07 |
| 4229510 | Photoconductive polymer material of N-alkylphenothiazine and formaldehyde | Syu Watarai, Takeshi Saida | 1980-10-21 |
| 4218362 | Powder marking agent and marking method | Satoru Honjo, Masaki Fukagawa | 1980-08-19 |