Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12298710 | Toner for developing electrostatic charge image | Yuta Izumiya | 2025-05-13 |
| 12216431 | Electrostatic image development toner | Yuta Izumiya | 2025-02-04 |
| 8455579 | Method for promoting crystallization of biodegradable resin composition | Hiroki Sawada | 2013-06-04 |
| 7652085 | Biodegradable resin composition | Akira Takenaka | 2010-01-26 |
| 6372415 | Resist developer | Akimitsu Sakai, Kozo Kitazawa | 2002-04-16 |
| 5522906 | Gasoline composition | Jiro Hashimoto, Hitoshi Funada | 1996-06-04 |
| 5298038 | Guerbet branched alkoxylated amine detergent additives | Jiro Hashimoto | 1994-03-29 |
| 5089029 | Fuel oil additive and fuel oil additive composition | Jiro Hashimoto, Masanori Nozawa, Makoto Kubo | 1992-02-18 |