Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9642567 | Biological information measurement device and pulse oximeter | Norihiro Tateda, Hitoshi Kamezawa | 2017-05-09 |
| 7436379 | Reversible image display medium | Masahiko Matsuura, Hiroshi Mizuno, Akihito Ikegawa, Keyaki Yogome, Takaji Kurita | 2008-10-14 |
| 6922204 | Image display medium and image recording apparatus | Keyaki Yogome, Akihito Ikegawa | 2005-07-26 |
| 6900789 | Reversible image display medium | Masahiko Matsuura, Hiroshi Mizuno, Akihito Ikegawa, Keyaki Yogome, Takaji Kurita | 2005-05-31 |
| 6862016 | Image displaying method and image forming apparatus utilizing a reversible image display medium having a high resolution image display | Masahiko Matsuura, Hiroshi Mizuno, Akihito Ikegawa, Keyaki Yogome, Takaji Kurita | 2005-03-01 |
| 6686940 | Reversible image display medium | Masahiko Matsuura, Hiroshi Mizuno, Akihito Ikegawa, Keyaki Yogome, Takaji Kurita | 2004-02-03 |
| 6146804 | Electrophotographic liquid developer and image forming apparatus | Hidetoshi Miyamoto, Toshimitsu Fujiwara, Shuji Iino, Seishi Ojima | 2000-11-14 |
| 5981133 | Liquid developer and image forming apparatus | Hidetoshi Miyamoto, Toshimitsu Fujiwara, Shuji Iino, Seishi Ojima | 1999-11-09 |
| 5953566 | Color image forming method and apparatus providing for efficient toner transfer based on toner zeta potentials | Toshimitsu Fujiwara, Shuji Iino, Seishi Ojima, Hidetoshi Miyamoto | 1999-09-14 |
| 5780196 | Toner and liquid developer, liquid developer, and method of producing same | Toshimitsu Fujiwara, Shuji Iino, Seishi Ojima, Hidetoshi Miyamoto | 1998-07-14 |
| 5701569 | Image forming apparatus with transfer member and parallel circuit of grounded electrode and power supply | Toshiya Natsuhara, Kazuyoshi Hara, Yasuo Tanaka | 1997-12-23 |