Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6375742 | Apparatus for processing paper sheets to decolor an image formed thereon | Kenji Sano, Katsuyuki Naito, Satoshi Takayama, Tetsuo Okuyama, Shigeru Machida | 2002-04-23 |
| 6277208 | Method of decoloring an image forming material formed on a paper sheet | Kenji Sano, Katsuyuki Naito, Satoshi Takayama, Tetsuo Okuyama, Shigeru Machida | 2001-08-21 |
| 6017386 | Decolorizable ink and printer | Kenji Sano, Katsuyuki Naito, Satoshi Takayama, Tetsuo Okuyama, Shigeru Machida | 2000-01-25 |
| 5962581 | Silicone polymer composition, method of forming a pattern and method of forming an insulating film | Shuzi Hayase, Yoshihiko Nakano, Rikako Kani, Mao Ito, Satoshi Mikoshiba +1 more | 1999-10-05 |
| 5922115 | Decolorizable ink and printer | Kenji Sano, Katsuyuki Naito, Satoshi Takayama, Tetsuo Okuyama | 1999-07-13 |
| 5907008 | Black coloring composition, high heat resistance light-shielding component, array substrate, liquid crystal and method of manufacturing array substrate | Yoshihiko Nakano, Shuji Hayase, Takeo Ito, Satoshi Mikoshiba, Hideo Hirayama | 1999-05-25 |
| 5849651 | Reversible thermal recording medium | Satoshi Takayama, Tetsuo Okuyama, Hideyuki Nishizawa, Hirohisa Miyamoto, Masami Sugiuchi | 1998-12-15 |
| 5663115 | Thermal recording medium and recording method | Katsuyuki Naito, Masami Sugiuchi, Satoshi Takayama, Hirohisa Miyamoto, Hideyuki Nishizawa +2 more | 1997-09-02 |