Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9987673 | Manufacturing apparatus for heat exchanger fins | Masanao Karasawa, Hirofumi Baba | 2018-06-05 |
| 9199346 | Manufacturing apparatus for flattened tube fins | Masanao Karasawa, Akio Ueda, Yasuyuki Morimoto, Takatoshi Mori | 2015-12-01 |
| 9120191 | Manufacturing apparatus for flattened tube fins | Masanao Karasawa | 2015-09-01 |
| 9089935 | Manufacturing apparatus for flattened tube fins | Masanao Karasawa | 2015-07-28 |
| 9009953 | Manufacturing apparatus for flattened tube fins | Akio Ueda | 2015-04-21 |
| 8973420 | Corrugated fin manufacturing apparatus | Keiichi Morishita | 2015-03-10 |
| 8925715 | Feeding apparatus for metal strips | Masanao Karasawa | 2015-01-06 |
| 8875626 | Machining oil applying apparatus | Keiichi Morishita, Masaki Uehara, Akio Ueda | 2014-11-04 |
| 8789264 | Manufacturing apparatus for heat exchanger fins | Keiichi Morishita | 2014-07-29 |
| 8776992 | Feeder apparatus for metal strip | Keiichi Morishita | 2014-07-15 |
| 8424358 | Production equipment for producing corrugated fin | Mitsuhiro MOTOKI | 2013-04-23 |
| 5600992 | Die set | Yoshitomo Kanazawa, Toshiki Miyazawa | 1997-02-11 |