Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9385642 | Air conditioner | Kazunori Hatakeyama, Takashi Yamakawa, Shinsaku Kusube | 2016-07-05 |
| 9272865 | Sheet transfer device | Eijiro Arimura | 2016-03-01 |
AT
Akihiro Tsumura
Riso Kagaku: 3 patents #174 of 551Top 35%
Overall (All Time): #142,601 of 4,157,543Top 4%
27
Patents All Time