Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11098184 | Masterbatch composition | Kazuhisa Yasumoto, Takeshi Nakajima | 2021-08-24 |
| 9817358 | Cleaning blade | Kenji Sasaki, Syo Kawabata, Katsumi Abe, Natsumi Kimura | 2017-11-14 |
| 9665061 | Cleaning blade | Natsumi Kimura, Toshihiro Higashira, Katsumi Abe | 2017-05-30 |