Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5972812 | Ionic substance removing material for use in super-clean room and method of manufacturing the material | Kunihiro Sakata, Toshinori Suenaga, Shingo TOKUNAGA, Susumu Shuutoku, Goro Fujiwara +3 more | 1999-10-26 |
| 5856250 | Ionic substance removing material for use in super-clean room | Kunihiro Sakata, Toshinori Suenaga, Shingo TOKUNAGA, Susumu Shuutoku, Goro Fujiwara +3 more | 1999-01-05 |