Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4624404 | Method for bonding ceramics and metals | Yasuhiro Fukaya, Shozo Hirai | 1986-11-25 |
| 4287405 | Process and apparatus for exhausting fumes produced by arc welding | Yasuhiro Fukaya, Yasuyuki Yoshida, Tamotu Oka, Masahiko Sato, Masazumi Nagareda | 1981-09-01 |