Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11274187 | Cellulose ester composition | Yasuo Okumura, Kazunobu Yanai | 2022-03-15 |
| 10494503 | Cellulose ester composition | Yasuo Okumura, Kazunobu Yanai | 2019-12-03 |
| 9018283 | Resin composition | Hideaki Sakamoto, Masayuki Okoshi, Kenji Yao | 2015-04-28 |
| 6921783 | Flame retardant polyolefin resin composition | — | 2005-07-26 |
| 6420449 | Resin composition for white marking | Hiroshi Sagane, Katsuhiko Sumida | 2002-07-16 |
| 6054209 | Easy tearable films and method of producing the same | Kenji Ueda, Katsuhiko Sumida | 2000-04-25 |
| 6045902 | Easy tearable films and method of producing the same | Kenji Ueda, Katsuhiko Sumida | 2000-04-04 |