Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5661404 | Circuit network measurement device and calibration method | Koichi Yanagawa, Atsushi Ishihara, Hiroyuki Iwai | 1997-08-26 |
| 5642070 | Signal processing circuit and system for detection of absolute value | — | 1997-06-24 |
| 5602576 | Ink-jet type recording head and monolithic integrated circuit suitable therfor | Fumio Murooka, Junji Shimoda, Hiroyuki Ishinaga, Hiroyuki Maru, Masaaki Izumida +1 more | 1997-02-11 |
| 5591960 | Photoelectric converter with signal processing | Toshiki Nakayama | 1997-01-07 |