Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8365772 | Accumulator | Tatsuhiro Arikawa, Takashi Ota, Eiji Mizutani | 2013-02-05 |
| 7770599 | Accumulator | Takashi Ota, Tatsuhiro Arikawa, Kuniaki Miyake, Kenji Sasaki, Shinya Nakaoka +2 more | 2010-08-10 |
| 6808160 | Solenoid valve | Hideyuki Hayakawa, Yozo Majima, Yuji Yabuki | 2004-10-26 |
| 5525571 | Heat-sensitive recording material | — | 1996-06-11 |
| 5494772 | Heat-sensitive recording materials for infrared-laser recording comprising tricarbocyanine dye having at least two acidic groups | Koh Takeuchi, Yoshio Inagaki | 1996-02-27 |
| 5409797 | Heat-sensitive recording material for laser recording | Masao Yabe, Naoto Yanagihara | 1995-04-25 |
| 5198321 | Image forming method | Kotaro Nakamura | 1993-03-30 |
| 4965166 | Multicolor recording material | Toshimasa Usami | 1990-10-23 |
| 4877708 | Encapsulated electrostatographic toner and method for use thereof | — | 1989-10-31 |
| 4869990 | Toner for use in electrostatography | — | 1989-09-26 |
| 4803144 | Electrophotographic encapsulated pressure fixable toner particles with electroconductive powder coating | — | 1989-02-07 |
| 4780390 | Electrostatographic encapsulated toner | — | 1988-10-25 |
| 4761358 | Electrostatographic encapsulated toner | Akira Hatakeyama | 1988-08-02 |
| 4758547 | Heat-sensitive recording material | Yuichi Itabashi, Akihiro Shimomura | 1988-07-19 |
| 4721700 | Heat-sensitive recording material | Akihiro Shimomura, Yuichi Itabashi | 1988-01-26 |
| 4576890 | Preparation of encapsulated electrostatographic toner material | — | 1986-03-18 |
| 4576831 | Process for producing heat-sensitive recording paper | Kensuke Ikeda, Hiroharu Matsukawa | 1986-03-18 |
| 4476211 | Preparation of electrostatographic toner material provided with surface electroconductivity | — | 1984-10-09 |
| 4468446 | Electrostatographic encapsulated toner material improved in powder characteristics | Takeshi Mikami | 1984-08-28 |
| 4465756 | Electrostatographic enscapsulated toner material improved in chargeability | Takeshi Mikami | 1984-08-14 |
| 4460199 | Microcapsule coated sheet for pressure sensitive copying paper | Hiroharu Matsukawa, Yasuhiro Ogata | 1984-07-17 |
| 4418942 | Microcapsule sheet for pressure-sensitive recording paper | Yoshiyuki Hoshi, Hiroharu Matsukawa | 1983-12-06 |