Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6501497 | Thermal head with small size of steps of protective layer formed on heating portion and manufacturing method thereof | Takashi Shirakawa, Masayoshi Takeuchi, Satoshi Kubo, Daiki SUGIYAMA | 2002-12-31 |
| 5594488 | Thermal head | Toshiya Endoh, Satoru Sasaki, Ken Yamamura, Takashi Shirakawa, Toshifumi Nakatani +1 more | 1997-01-14 |
| 4672563 | Direction detection apparatus | Masatoshi Harumatsu, Masashi Fuse, Makoto Tomoyori | 1987-06-09 |
| 4445279 | Magnetic course detector | Masashi Fuse, Toshio Sasaki, Masayuki Ogata, Teruo Mimori, Tadashi Mukai | 1984-05-01 |
| 4429469 | Direction detection apparatus | Makoto Tomoyori, Masatoshi Harumatsu | 1984-02-07 |
| 4393709 | Direction detection apparatus | Masatoshi Harumatsu, Makoto Tomoyori | 1983-07-19 |