Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5329099 | Method of maintaining housing of reactor pressure vessel and heat treatment equipment therefor | Masahiro Otaka, Kunio Hasegawa, Makoto Hayashi, Shinji Sakata, Hideyo Saito +4 more | 1994-07-12 |
| 5305361 | Method of and apparatus for water-jet peening | Masahiro Otaka, Koichi Kurosawa, Hideyo Saito, Hiroshi Tsujimura, Yasumasa Tamai +2 more | 1994-04-19 |