Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6664854 | Base band filter including a semiconductor integrated circuit | Satoshi Tanaka, Shigetaka Takagi | 2003-12-16 |
| 6661289 | Voltage-to-current conversion circuit and OTA using the same | Takahide Sato, Sigetaka Takagi, Kazuyuki Wada | 2003-12-09 |
| 6476676 | Semiconductor integrated circuit | Satoshi Tanaka, Shigetaka Takagi | 2002-11-05 |
| 6388520 | Semiconductor integrated circuit | Kazuyuki Wada, Shigetaka Takagi | 2002-05-14 |
| 5578862 | Semiconductor integrated circuit with layer for isolating elements in substrate | Yosuke Mizukawa, Yasuo Mitsuhashi | 1996-11-26 |
| 5351490 | Piston/displacer support means for a cryogenic refrigerator | Tatsuru Ohishi, Kazuki Niitsu, Hiroyuki Kiyota, Yoshihiro Katagishi, Takeshi Miyazawa | 1994-10-04 |
| 5113662 | Cryogenic refrigerator | Hiroyuki Kiyota, Yoshihiro Katagishi, Takeshi Miyazawa | 1992-05-19 |
| 5088288 | Refrigerator | Yoshihiro Katagishi, Takeshi Miyazawa, Hiroyuki Kiyota | 1992-02-18 |