Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10640859 | Production method of rolled sheet for cold-rolling, and production method of pure titanium sheet | Kazuya Kimijima, Masanori Kobayashi, Tohru Shiogama, Yasuyuki Fujii | 2020-05-05 |
| D799012 | Heat exchanger tube | Yasuyuki Fujii, Yoshio Itsumi, Hideto Oyama | 2017-10-03 |
| D776801 | Heat exchanger tube | Yasuyuki Fujii, Yoshio Itsumi, Hideto Oyama | 2017-01-17 |
| D763804 | Plate for heat exchanger | Kazuki Sakamoto, Akio Okamoto, Yoshio Itsumi, Hideto Oyama, Yasuyuki Fujii | 2016-08-16 |
| D757662 | Plate for heat exchanger | Yasuyuki Fujii, Akio Okamoto, Yoshio Itsumi, Hideto Oyama, Kazuki Sakamoto | 2016-05-31 |
| 8765272 | Cermet and coated cermet | Daisuke Takesawa, Hiroki Hara, Kozo Kitamura, Yasuro Taniguchi, Koji Hayashi +2 more | 2014-07-01 |