Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5351354 | Dust cleaner and dust cleaning method | Kazuo Hasumi, Isaburou Omori | 1994-10-04 |
| 5196888 | Method of feeding developer to developing zone in electrophotography | Masanori Matsuda, Takeshi Hori, Atsuhiko Irie, Tomiyasu Matsuda | 1993-03-23 |
| 5097358 | Electrochromic element | Toshiyasu Ito, Takaaki Mori, Masanobu Senda, Takahiko Asaoka | 1992-03-17 |
| 5073011 | Electrochromic device with a reference electrochromic element | Toshiyasu Ito, Takaaki Mori, Toshiya Uemura | 1991-12-17 |
| 5015075 | Electrochromic element | Toshiyasu Ito, Takaaki Mori, Masanobu Senda | 1991-05-14 |
| 5007718 | Electrochromic elements and methods of manufacturing and driving the same | Jun Minoura, Shigeyuki Takahahi, Hisaki Kato, Toshiyasu Ito, Takaaki Mori +2 more | 1991-04-16 |
| 4933050 | Process for producing a planar dimmer | Toshiyasu Ito, Jun Minoura, Takaaki Mori, Shigeyuki Takahashi, Junichi Shimada +1 more | 1990-06-12 |
| 4927246 | Planar electrochromic dimmer | Toshiyasu Ito, Jun Minoura, Shigeyuki Takahashi, Takaaki Mori, Toshikazu Funahashi | 1990-05-22 |
| 4874229 | Planar dimmer | Toshiyasu Ito, Jun Minoura, Takaaki Mori, Shigeyuki Takahashi, Junichi Shimada +1 more | 1989-10-17 |
| 4826750 | Development process in electrophotography utilizing carbon black of specified coloring power | Kouji Maekawa, Kenichi Matsunobu, Naoka Fujie, Hiroyuki Hazama | 1989-05-02 |
| 4750816 | Electrochromic element comprising an organic, oxidative color-forming layer and an inorganic, reductive color-forming layer | Toshiyasu Ito, Taskaaki Mori, Jun Minoura, Katsuaki Okabayashi, Shigeyuki Takahashi | 1988-06-14 |
| 4524117 | Electrophotographic method for the formation of two-colored images | Kouji Maekawa, Syoji Nakagama, Yumiko Sano | 1985-06-18 |
| 4370379 | Method for preparing original for projection and transfer film for electrostatic photography for use in carrying out said method | Shoji Matsumoto, Tatsuo Aizawa | 1983-01-25 |
| 4328265 | Process for preparation of a transfer sheet for electrostatic photography or printing | Susumu Yamaura, Yasutoki Kamezawa, Tatsuo Aizawa | 1982-05-04 |
| 4320186 | Electrographic method for preparing original for projection and transfer film for use in method | Shoji Matsumoto, Tatsuo Aizawa | 1982-03-16 |
| 4245025 | Transfer sheet and process for preparation thereof | Susumu Yamaura, Yasutoki Kamezawa, Tatsuo Aizawa | 1981-01-13 |