Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9284688 | Copolymer latex and composition containing the same and application product therof | Kunihiko KOBAYASHI, Tsukasa Iwamoto, Nobuhiro Matsuda, Osamu Ishikawa | 2016-03-15 |
| 6498223 | Unsaturated nitrile-conjugated diene-typed rubber, rubber composition and process for the productions of the same | Osamu Ishikawa | 2002-12-24 |
| 4895688 | Method of producing a support for photographic paper | Tsunehisa Shigetani, Masahiro Kamiya, Tatsuo Miyakoda, Toshio Inada, Tatsumi Okada | 1990-01-23 |