Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862398 | Correcting method and correcting errors in a terrestrial magnetism heading sensor | Toshiyuki Shimizu, Kenji Tenmoku, Kunihiko Mitoh, Yasuhiro Honoki | 1989-08-29 |
| 4833519 | Semiconductor device with a wiring layer having good step coverage for contact holes | Michiari Kawano, Masayuki Higashimoto, Shigeo Kashiwagi, Jun Nakano | 1989-05-23 |
| 4807127 | Vehicle location detecting system | Kenji Tenmoku, Toshiyuki Shimizu, Kunihiko Mitoh | 1989-02-21 |