Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5921134 | Vibratory linear actuator and method of driving the same | Kiyotaka Ootsuka, Masao Tanahashi | 1999-07-13 |
| 5551154 | Reciprocatory dry shaver | Masao Tanahashi, Toshio Ikuta | 1996-09-03 |
| 5546659 | Reciprocatory dry shaver | Masao Tanahashi, Toshio Ikuta | 1996-08-20 |
| 5539984 | Dry shaver with floating cutter heads | Toshio Ikuta, Masao Tanahashi | 1996-07-30 |
| 5398412 | Reciprocatory dry shaver | Masao Tanahashi, Toshio Ikuta | 1995-03-21 |
| 5283953 | Rotary dry shaver | Toshio Ikuta, Masao Tanahashi | 1994-02-08 |
| 4659437 | Method of thermal diffusion alloy plating for steel wire on continuous basis | Toshiaki Shimizu, Fumihiro Yanase | 1987-04-21 |