Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884448 | Ultrasonic doppler meter | Hisashi Nishiyama, Kageyoshi Katakura, Shizuo Ishikawa | 1989-12-05 |
| 4873022 | Electrically conductive paste, electronic circuit component and method for producing same | Mituru Fujii, Tadamichi Asai, Akira Ikegami, Hiroshi Ohtsu, Kazuhiko Ato | 1989-10-10 |
| 4841491 | Ultrasonic beam former | Shinichi Kondo, Kageyoshi Katakura, Shin'ichiro Umemura, Hiroshi Ikeda | 1989-06-20 |
| 4809703 | Ultrasonic doppler blood flow meter | Shizuo Ishikawa, Kageyoshi Katakura | 1989-03-07 |
| 4805057 | Magnetic head driving apparatus | Akira Ando | 1989-02-14 |