Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11399227 | Wireless earphone charger, wireless earphone and wireless earphone system | Kazuhiro Onizuka, Takashi Nara | 2022-07-26 |
| 9199346 | Manufacturing apparatus for flattened tube fins | Masanao Karasawa, Toshiyuki Nanaarashi, Akio Ueda, Takatoshi Mori | 2015-12-01 |
| 9079277 | Stacking apparatus and manufacturing apparatus for flattened tube fins | Masanao Karasawa, Yoshitaka Ide, Kenji Yasui | 2015-07-14 |
| 4755283 | Fluid catalytic cracking of heavy hydrocarbon oil | Hideo Hashimoto, Toru Takatsuka, Shuzo Satoh | 1988-07-05 |