Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5921481 | Air classifier with specified truncated cone-like breather pipe | Akihiro Nakamura, Choichiro Tanigawa, Yasunori Sakuda | 1999-07-13 |
| 5863692 | Toner for elastrostatic latent image developing and method of manufacturing same | Akihiro Nakamura, Katsuji Nagasawa, Kinya Sonoda | 1999-01-26 |