Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4902473 | Rotary brake disc | Hiroto Arata, Kenji Shiga, Daihachiro Sakurai, Isao Souma, Yusiyo Watanabe +1 more | 1990-02-20 |
| 4620507 | Stave cooler | Hiromichi Saito, Hiroto Arata, Kazuo Kimura, Fumihiro Yamamoto | 1986-11-04 |
| 4508569 | Sealing compound for cans | Hideo Kumasaka | 1985-04-02 |
| 4450725 | Electromagnetic-acoustic measuring apparatus | Hisao Yamaguchi, Takashi Kadowaki, Susumu Itoh, Soji Sasaki, Ichiya Sato | 1984-05-29 |
| 4338822 | Method and apparatus for non-contact ultrasonic flaw detection | Hisao Yamaguchi | 1982-07-13 |
| 4292849 | Method for correcting the sensitivity of an electromagnetic ultrasonic probe | Hisao Yamaguchi | 1981-10-06 |