Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10125284 | Aqueous ink, ink cartridge, and ink jet recording method | Keigo Gouda, Shin-ichi Hakamada, Hisao Kamo, Daiji Okamura, Takakazu Mizutani +3 more | 2018-11-13 |
| 8685504 | Recording medium | Hiroshi Asakawa, Takatoshi Tanaka, Masaya Asao | 2014-04-01 |
| 8545008 | Recording medium | Masaya Asao, Hiroshi Asakawa, Takatoshi Tanaka | 2013-10-01 |
| 8257804 | Double-sided recording medium | Hiroshi Asakawa, Takatoshi Tanaka | 2012-09-04 |
| 8247042 | Recording medium | Hiroshi Asakawa, Masaya Asao, Takatoshi Tanaka | 2012-08-21 |
| 8247043 | Recording medium | Takatoshi Tanaka, Hiroshi Asakawa, Masaya Asao | 2012-08-21 |
| 8236394 | Recording medium | Takatoshi Tanaka, Hiroshi Asakawa | 2012-08-07 |
| 8080291 | Ink jet recording medium and production process thereof | Takatoshi Tanaka, Hiroshi Asakawa, Takeshi Tsurusaki, Saki Suzuki | 2011-12-20 |
| 7923081 | Recording medium for water-based ink and method for determining ink absorbing characteristic thereof | Satoshi Matsuura, Naho Ishida, Kenichi Yamaguchi, Sadayuki Sugama | 2011-04-12 |
| 7662452 | Ink recording medium and production method therefor | Tsuyoshi Santo, Motoaki Sato, Hiroshi Asakawa, Muneyoshi Sunada, Satoko Kakumoto | 2010-02-16 |
| 7291361 | Image forming process, image-recorded article, liquid composition and ink-jet recording apparatus | Hiroyuki Ogino, Motoo Urawa, Muneyoshi Sunada, Yoichi Takada, Masanori Ito +3 more | 2007-11-06 |
| 6848781 | Image forming process, image-recorded article, liquid composition and ink-jet recording apparatus | Hiroyuki Ogino, Motoo Urawa, Muneyoshi Sunada, Yoichi Takada, Masanori Ito +3 more | 2005-02-01 |
| 5478657 | Titanium discs useful for magnetic discs | Hiroyoshi Suenaga, Iwao Ida, Masanori Ohmura, Naoto Kohshiro, Noboru Kurata | 1995-12-26 |
| 5221459 | Method of manufacturing a magnetic disk substrate of titanium | Yoko Okano, Hiroyoshi Suenaga, Toshio Sakiyama, Kenji Morita, Masanori Ohmura +1 more | 1993-06-22 |