Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8692152 | Laser lap welding method for galvanized steel sheets | Seiji Katayama | 2014-04-08 |
| 8168031 | Method for metal-resin joining and a metal-resin composite, a method for glass-resin joining and a glass-resin composite, and a method for ceramic-resin joining and a ceramic-resin composite | Seiji Katayama, Shuji Kubota, Akio Tange | 2012-05-01 |
| 7411748 | Optical component unit, laser joining method and apparatus for joining optical component | Seiji Kumazawa, Yohei Takechi, Masahiro Kuwabara, Toshiyuki Okada, Masami Ito +1 more | 2008-08-12 |