Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7112619 | Water-based ink | Makoto Sakakibara, Nobushige Tanaka, Ryuma Mizushima, Takehiro Tsutsumi | 2006-09-26 |
| 6730780 | Water-based ink | Shigemi Wakabayashi, Takehiro Tsutsumi, Makoto Sakakibara | 2004-05-04 |
| 6031019 | Aqueous ink for ink-jet printing | Takehiro Tsutsumi, Koji Azuma, Michitaka Sawada, Tadashi Sakuma, Shigemi Wakabayashi +2 more | 2000-02-29 |
| 5736606 | Aqueous ink of pigment type | Hideki Yanagi, Shigemi Wakabayashi | 1998-04-07 |
| 5372179 | Mold surface treatment process and mold | Yuji Sakakibara, Takatoshi Suzuki, Hiroaki Hayashi, Yasuo Takada, Akihiko Suda +3 more | 1994-12-13 |
| 4934440 | Mold surface treatment process and mold | Yuji Sakakibara, Takatoshi Suzuki, Hiroaki Hayashi, Yasuo Takada, Akihiko Suda +3 more | 1990-06-19 |