Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5663502 | Method and apparatus for measuring thickness of layer using acoustic waves | Yoshiaki Nagashima, Kenichi Fujiwara, Masao Sato, Fuminobu Takahashi, Masahiro Koike +1 more | 1997-09-02 |
| 5081456 | Method of detecting unknown object and apparatus therefor | Masatsugu Nishi, Kazuo Hiramoto | 1992-01-14 |
| 4706031 | Method and system for detecting an object with a radio wave | Fuminobu Takahashi, Kazuo Hiramoto, Masatsugu Nishi, Shinji Sonoda | 1987-11-10 |
| 4677438 | Method and apparatus for detecting an object or a condition indicating a defect in a medium | Kazuo Hiramoto, Masatsugu Nishi, Fuminobu Takahashi | 1987-06-30 |
| 4586378 | Unknown sound evaluating method and apparatus | Shigeru Izumi, Makoto Senoh | 1986-05-06 |
| 4577151 | Spark monitor device for current collectors | Satoshi Tanisaka | 1986-03-18 |
| 4352167 | Method of locating sound generation within enclosure | Yuuji Hashimoto, Izumi Kobayashi, Mitsuo Suzuki, Kimio Yamada, Shigeru Izumi | 1982-09-28 |