Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11440208 | Blade of hair removal device and hair removal device including blade of hair removal device | Kazuhiro Morisugi | 2022-09-13 |
| 11420347 | Trimmer blade and body hair cutting device | Kazuhiro Morisugi | 2022-08-23 |
| 10751893 | Outer blade for hair cutting device and hair cutting device | Shoki OKURA, Hiroaki Shimizu, Shintaro Matsuo, Hiroki Inoue | 2020-08-25 |
| 10543608 | Electric shaver and outer blade used in the electric shaver | Shintaro Matsuo, Kenji Narita, Shigeru Tatsuta | 2020-01-28 |
| 10315320 | Electric shaver | Kenji Narita, Shigeru Tatsuta, Satoshi Nakayama | 2019-06-11 |
| 9108325 | Electric shaver | Kenji Narita, Jyuzaemon Iwasaki, Makoto Fukutani, Hiroaki Shimizu, Takeshi Shiba | 2015-08-18 |
| 7124511 | Razor blade | Tadashi Hamada, Shinji Fujimoto, Takashi Kozai | 2006-10-24 |
| 7022195 | Method of manufacturing inner blade for electric razor | Ryuji Otani, Toshio Ikuta, Takashi Kozai, Hiroyuki Okada, Shinji Fujimoto | 2006-04-04 |
| 6637113 | Blade of electric shaver, method for shaving by using the same, and electric shaver having the same | Toshio Ikuta, Tadashi Hamada, Masakatsu Araki | 2003-10-28 |
| 6194088 | Stainless steel coated with intermetallic compound and process for producing the same | Hiroaki Yoshida, Hiroshi Yamada, Fumio Iwane, Junji Imai, Tadashi Hamada +2 more | 2001-02-27 |
| 5857260 | Cutter combination for an electric shaver | Shuji Yamada, Tadashi Hamada, Shinji Fujimoto | 1999-01-12 |
| 5256095 | Method of fabricating an electrode for a discharge lamp and the electrode formed thereby | Yoshinobu Takegawa, Shuji Yamada | 1993-10-26 |