Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6098288 | Reciprocating-type electric shaver | Syuji Miyagawa, Takafumi Hamabe | 2000-08-08 |
| 5943777 | Dry shaver with a skin stretcher | Shin Hosokawa, Toshio Ikuta | 1999-08-31 |
| 5921134 | Vibratory linear actuator and method of driving the same | Takeshi Shiba, Kiyotaka Ootsuka | 1999-07-13 |
| 5810843 | Hand-held depilating device | Jyuzaemon Iwasaki, Yoshinobu Takegawa, Mika Asada | 1998-09-22 |
| 5736797 | Linear oscillating motor | Ryo Motohashi, Hidetoshi Amaya, Takio Maekawa, Toyokatsu Okamoto, Yasuo Ibuki +2 more | 1998-04-07 |
| 5706582 | Dry shaver with a skin stretcher | Shin Hosokawa, Toshio Ikuta | 1998-01-13 |
| 5632087 | Reciprocatory dry shaver | Ryo Motohashi, Rokusaburo Kimura | 1997-05-27 |
| 5551154 | Reciprocatory dry shaver | Takeshi Shiba, Toshio Ikuta | 1996-09-03 |
| 5548899 | Reciprocatory dry shaver | Tekeshi Shiba, Toshio Ikuta | 1996-08-27 |
| 5546659 | Reciprocatory dry shaver | Takeshi Shiba, Toshio Ikuta | 1996-08-20 |
| 5539984 | Dry shaver with floating cutter heads | Toshio Ikuta, Takeshi Shiba | 1996-07-30 |
| 5507753 | Depilating device with skin guide stretcher | Jyuzaemon Iwasaki, Hidekazu Sueyoshi | 1996-04-16 |
| 5398412 | Reciprocatory dry shaver | Takeshi Shiba, Toshio Ikuta | 1995-03-21 |
| 5356415 | Depilating device | Juzaemon Iwasaki, Hidekazu Sueyoshi | 1994-10-18 |
| 5283953 | Rotary dry shaver | Toshio Ikuta, Takeshi Shiba | 1994-02-08 |
| 5189792 | Reciprocatory electric shaver | Kiyotaka Otsuka, Kenzo Shirakawa, Masakazu Kita, Jyuzaemon Iwasaki | 1993-03-02 |
| 5156805 | Process of preparing a ferritic alloy with a wear-resistive alumina scale | Junji Imai, Shuji Yamada, Tadashi Hamada, Hajime Kojima | 1992-10-20 |
| 5108410 | Depilating device | Juzaemon Iwasaki | 1992-04-28 |
| 5046249 | Motor driven oscillating razor | Manabu Kawara, Masao Matsumoto | 1991-09-10 |
| 4837929 | Dry shaver with a readily replaceable outer shearing foil | Shiro Yada | 1989-06-13 |
| 4635360 | Cutting head for an electric shaver | Tetsuo Hamashima, Humihiro Kumano | 1987-01-13 |
| 4589205 | Inner cutter for electric shavers | — | 1986-05-20 |
| 4493149 | Reciprocal blade assembly of electric shaver | Toshio Tanabe, Kiyotaka Otsuka | 1985-01-15 |
| 4413410 | Electric shaver with rotary blade | Kiyotaka Otsuka | 1983-11-08 |