Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8523992 | Magenta recording ink composition, inkjet recording method, and ink recorded matter | Akihiko Matsuyama | 2013-09-03 |
| 8246156 | Water-based pigment dispersion, production method thereof, water-based pigment ink, production method thereof, ink record, inkjet recording apparatus, and inkjet recording method | Shin Hasegawa, Keishi Taniguchi, Minoru Hakiri, Yasuyuki Hosogi, Shigeo Hatada | 2012-08-21 |
| 7815301 | Water-based pigment dispersion, production method thereof, water-based pigment ink, production method thereof, ink record, inkjet recording apparatus, and inkjet recording method | Shin Hasegawa, Keishi Taniguchi, Minoru Hakiri, Yasuyuki Hosogi, Shigeo Hatada | 2010-10-19 |
| 7798629 | Pigment dispersion, inkjet-ink using the pigment dispersion, image forming process, and image forming apparatus | Minoru Hakiri, Keishi Taniguchi, Yasuyuki Hosogi, Shigeo Hatada, Shin Hasegawa | 2010-09-21 |
| 7250240 | Toner, developer, container containing toner, process, cartridge, image forming apparatus and process | Hachiroh Tosaka, Tomiaki Ito | 2007-07-31 |
| 7201938 | Thermosensitive stencil paper and method of producing the same | Fumiaki Arai, Takehiko Iwaoka, Masanori Rimoto | 2007-04-10 |
| 7142800 | Intermediate transferring belt and process for producing the same, image forming apparatus, and image forming process | Minoru Matsuo | 2006-11-28 |
| 7090955 | Black toner, image forming method and image forming apparatus using the toner | Hachiro Tosaka, Tomiaki Ito | 2006-08-15 |
| 6969574 | Black toner, image forming method and image forming apparatus using the toner | Hachiro Tosaka, Tomiaki Ito | 2005-11-29 |
| 6889605 | Heat-sensitive stencil, process of fabricating same and printer using same | Fumiaki Arai, Masanori Rimoto, Tetsuo Tanaka, Hiroshi Tateishi | 2005-05-10 |
| 6403150 | Heat-sensitive stencil and method of fabricating same | Masayuki Ohta, Takehiko Iwaoka, Fumiaki Arai, Hiroshi Tateishi, Masanori Rimoto +2 more | 2002-06-11 |
| 6372332 | Thermosensitive stencil paper and method of producing the same | Fumiaki Arai, Takehiko Iwaoka, Masanori Rimoto | 2002-04-16 |
| 6096374 | Heat-sensitive stencil and method of fabricating same | Masayuki Ohta, Takehiko Iwaoka, Fumiaki Arai, Hiroshi Tateishi, Masanori Rimoto +2 more | 2000-08-01 |
| 5843560 | Heat-sensitive stencil and method of fabricating same | Masayuki Ohta, Takehiko Iwaoka, Fumiaki Arai, Hiroshi Tateishi, Masanori Rimoto +2 more | 1998-12-01 |
| 5417156 | Thermal stencil plate making method | Hiroshi Tateishi | 1995-05-23 |
| 5415090 | Method for manufacturing a printing master using thermosensitive stencil paper | Hiroshi Tateishi | 1995-05-16 |
| 5219637 | Thermosensitive stencil paper | Fumiaki Arai, Masayasu Nonogaki, Shoichi Sugiyama, Hideyuki Yamaguchi | 1993-06-15 |
| 5188881 | Thermosensitive stencil paper | Shoichi Sugiyama, Fumiaki Arai, Masayasu Nonogaki, Hideyuki Yamaguchi, Hitoshi Ueda +2 more | 1993-02-23 |
| 5091257 | Thermosensitive stencil paper | Masayasu Nonogaki, Fumiaki Arai, Hideyuki Yamaguchi | 1992-02-25 |