Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5861669 | Semiconductor package for surface mounting | Michio Sono, Junichi Kasai, Masanori Yoshimoto, Kazuto Tsuji | 1999-01-19 |
| 5831332 | Semiconductor package for surface mounting | Michio Sono, Junichi Kasai, Masanori Yoshimoto, Kazuto Tsuji | 1998-11-03 |
| 5666808 | Operating valve assembly with pressure compensation valve | Koji Yamashita, Teruo Akiyama, Shinichi Shinozaki | 1997-09-16 |
| 5659200 | Semiconductor device having radiator structure | Michio Sono, Masashi Takenaka, Masanori Yoshimoto | 1997-08-19 |
| 5574310 | Semiconductor package for surface mounting with reinforcing members on support legs | Michio Sono, Junichi Kasai, Masanori Yoshimoto, Kazuto Tsuji | 1996-11-12 |
| 5535663 | Operating valve assembly with pressure compensation valve | Koji Yamashita, Teruo Akiyama, Shinichi Shinozaki | 1996-07-16 |
| 5469746 | Electromagnetic flow meter | Masao Fukunaga, Yutaka Sakurai, Tamio Ishihara | 1995-11-28 |
| 5444025 | Process for encapsulating a semiconductor package having a heat sink using a jig | Michio Sono, Masashi Takenaka, Masanori Yoshimoto | 1995-08-22 |
| 5305179 | Surface-mounting type semiconductor package having an improved efficiency for heat dissipation | Michio Sono, Junichi Kasai, Kazuhiko Mitobe, Masanori Yoshimoto | 1994-04-19 |
| 4482936 | Drawer type enclosed switchboard with automatic grounding device | — | 1984-11-13 |
| 4438652 | Ultrasonic Doppler flowmeter | — | 1984-03-27 |
| 4212702 | Process for recovery of chemicals from pulping waste liquor | Saburo Mizuguchi, Isao Nomura, Takeyuki Naito, Masato Onodera | 1980-07-15 |