Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10340172 | Semiconductor wafer surface protection film and method for manufacturing semiconductor device | Jun Kamada, Noboru Kawasaki, Shinichi Usugi, Jin Kinoshita, Kouji Igarashi +1 more | 2019-07-02 |
| 7928180 | Biodegradable polymer, production method thereof, molded product thereof, and use thereof | Manabu Shimoda, Tomoyuki Kawabata, Tadahito Nobori | 2011-04-19 |
| 6657041 | Production process of polysuccinimide | Katsuhiko Machida, Susumu Fukawa, Shinji Ogawa, Toshio Katoh, Yoshihiro Irizato | 2003-12-02 |
| 6346569 | Production process of cross-linked polysuccinimide resin | Yoshihiro Irizato, Toshio Katoh, Hiroaki Tamatani, Akinori Nagatomo, Masaru Wada | 2002-02-12 |
| 6072024 | Production process of cross-linked polyaspartic acid resin | Yoshihiro Irizato, Toshio Katoh, Hiroaki Tamatani, Akinori Nagatomo, Masaru Wada | 2000-06-06 |
| 5986042 | Cross-linked polymer | Yoshihiro Irizato, Toshio Katoh, Hiroaki Tamatani | 1999-11-16 |
| 5686066 | Polyaspartic acid Zwitterionic derivatives, preparation processes thereof, hair-treating compositions and cosmetic compositions | Yukiko Harada, Hosei Shinoda, Hiroaki Tamatani | 1997-11-11 |
| 5387485 | Phase shift photomask | Naoya Hayashi | 1995-02-07 |