Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D520188 | Electric razor | Takanori Nishiyama, Hironobu Nagano, Shusaku Tanaka, Nobuki Yahiro | 2006-05-02 |
| D512183 | Electric razor | Hironobu Nagano, Shusaku Tanaka, Takanori Nishiyama | 2005-11-29 |
| D505550 | Hairbrush | Yuko Sakemura, Takanori Nishiyama, Tomoyu Kaneko | 2005-05-31 |
| D429376 | Electric shaver | Hironobu Nagano, Takanori Nishiyama | 2000-08-08 |
| D405230 | Electric shaver | Hironobu Nagano, Takanori Nishiyama, Toshiyuki Moriya | 1999-02-02 |
| D377997 | Electric shaver | Hironobu Nagano, Takanori Nishiyama, Toshiyuki Moriya | 1997-02-11 |
| D367946 | Electric shaver | Gen Nagai, Akira Kojima | 1996-03-12 |