Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D568394 | Stylus pen | — | 2008-05-06 |
| 6918955 | Ink-jet recording liquid and process for producing the same | Masanobu Yokoyama, Hisao Takeuchi, Hideaki Tanaka, Katsuhito Kanazawa | 2005-07-19 |
| D505424 | Controller for electronic game machine | Kenichiro Ashida, Noboru Wakitani, Junji Takamoto, Nobutaka Nakajima, Hiroshi Igarashi | 2005-05-24 |
| D481397 | Liquid crystal display for an electronic game machine | Kenichiro Ashida, Noboru Wakitani | 2003-10-28 |
| 6021229 | Imaging processing method for mapping video source information onto a displayed object | Akihiro Takashima, Nobuyuki Minami | 2000-02-01 |
| 5834608 | Method for producing copper phthalocyanine in a reaction medium containing sulfur | — | 1998-11-10 |
| 5496939 | Method for producing copper phthalocyanine using thiols | — | 1996-03-05 |
| 5481140 | Demand control apparatus and power distribution control system | Masahiro Inoue, Noriyuki Kushiro, Rieko Iwatsubo | 1996-01-02 |
| 5426467 | Video special effect processor | Katsuakira Moriwake | 1995-06-20 |
| 5153314 | Process for producing a copper phthalocyanine compound | Tomio Segawa, Tadashi Ninomiya, Motokazu Suyama | 1992-10-06 |
| 4906747 | Process for producing a metal phthalocyanine and/or its derivative | Tomio Segawa, Tadashi Ninomiya, Motokazu Suyama | 1990-03-06 |
| 4614230 | Heat exchanger | Kiyoshi Sakuma, Tetsuji Okada, Yu Seshimo, Kisuke Yamazaki, Yuichi Akiyama | 1986-09-30 |
| 4450111 | Process for the purification of anthraquinone | Tatsuyoshi Komatsu, Shigeaki Numata | 1984-05-22 |
| 4328398 | Digital multi-frequency receiver | Masaharu Kawaguchi, Yoshikatu Shiraishi, Hitoshi Imagawa, Yoshimasa Kaneko | 1982-05-04 |