Issued Patents All Time
Showing 51–60 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4704445 | Polyurethane compositions | Yukiatsu Komiya | 1987-11-03 |
| 4639471 | Process for producing polyester polyurethane | Shunro Taniguchi, Michihiro Ishiguro, Yoshifumi Murata, Shinichi Yokota, Masao Ishii +2 more | 1987-01-27 |
| 4563737 | Virtual storage management | Tomoaki Nakamura, Keiichi Nakane, Hiroaki Nakanishi | 1986-01-07 |
| 4551518 | Process for production of polyurethane | Mitsuo Matsumoto, Noriaki Yoshimura, Takayuki Okamura | 1985-11-05 |
| 4412022 | Polyurethane coating compositions prepared from a polymeric diol, an alicyclic diisocyanate, an alicyclic diamine and either hydrazine or isophthalic acid dihydrazide | Kenji Shirano, Takayuki Okamura | 1983-10-25 |
| 4412045 | Color developer for pressure-sensitive copying paper | Toyoji Kikuga | 1983-10-25 |
| 4409374 | Color developer for pressure-sensitive copying paper | Toyoji Kikuga | 1983-10-11 |
| 4367307 | Polyurethane composition having good light resistance | Kenji Shirano, Kazuo Hara, Takayuki Okamura | 1983-01-04 |
| 4216299 | Color developer for pressure-sensitive copying paper | Toyoji Kikuga | 1980-08-05 |
| 4216300 | Color developer for pressure-sensitive copying paper | Toyoji Kikuga | 1980-08-05 |