Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5897062 | Fluid jet nozzle and stress improving treatment method using the nozzle | Kunio Enomoto, Katsuhiko Hirano, Kazuo Amano, Eisaku Hayashi, Sadato Shimizu +2 more | 1999-04-27 |
| 5793203 | Measurement system with noise reduction circuit | Eriko Takeda, Toshikazu Nishino, Ren Morinaka, Fuminobu Takahashi | 1998-08-11 |
| 5749384 | Method and apparatus for performing preventive maintenance on the bottom portion of a reactor pressure vessel using cavitation bubbles | Eisaku Hayashi, Koichi Kurosawa, Fujio Yoshikubo, Hideyasu Furukawa, Ren Morinaka +3 more | 1998-05-12 |
| 5553106 | Residual stress improving method for members in reactor pressure vessel | Kunio Enomoto, Kazuo Amano, Koichi Kurosawa, Eisaku Hayashi, Ren Morinaka +2 more | 1996-09-03 |
| 5537037 | Apparatus with cancel coil assembly for cancelling a field parallel to an axial direction to the plural coils and to a squid pick up coil | Sadato Shimizu, Kazuo Takaku, Shinji Sakata | 1996-07-16 |
| 5414356 | Fluxmeter including squid and pickup coil with flux guiding core and method for sensing degree of deterioration of an object | Toshihiko Yoshimura, Tasuku Shimizu, Yuichi Ishikawa, Yuko Koguchi, Kunio Enomoto +3 more | 1995-05-09 |
| 5331278 | Apparatus for inspecting degradation/damage of a material using an AC magnet, a superconducting DC magnet and a SQUID sensor | Stephen Evanson, Satoshi Kanno, Toshihiko Yoshimura, Kunio Hasegawa, Kazuo Takaku | 1994-07-19 |
| 5329099 | Method of maintaining housing of reactor pressure vessel and heat treatment equipment therefor | Kunio Enomoto, Kunio Hasegawa, Makoto Hayashi, Shinji Sakata, Hideyo Saito +4 more | 1994-07-12 |
| 5305361 | Method of and apparatus for water-jet peening | Kunio Enomoto, Koichi Kurosawa, Hideyo Saito, Hiroshi Tsujimura, Yasumasa Tamai +2 more | 1994-04-19 |
| 5134368 | Apparatus for magnetically detecting degradation of metal material using superconductor sensor system and reference material data comparison | Kunio Enomoto, Kunio Hasegawa, Makoto Hayashi, Tasuku Shimizu, Kazuo Takaku | 1992-07-28 |
| 5059903 | Method and apparatus utilizing a magnetic field for detecting degradation of metal material | Kunio Enomoto, Kunio Hasegawa, Makoto Hayashi, Tasuku Shimizu, Kazuo Takaku | 1991-10-22 |
| 4987367 | Method and apparatus for predicting deterioration of a member constituting a part of equipment | Yuichi Ishikawa, Toshihiko Yoshimura, Tasuku Shimizu, Kazuo Takaku | 1991-01-22 |
| 4764970 | Method and apparatus for detecting cracks | Makoto Hayashi, Tasuku Shimizu, Shinji Sakata | 1988-08-16 |
| 4510608 | Laser tube utilizing negative glow | Kanichi Fujii | 1985-04-09 |