Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9782340 | Hair bleaching or hair dye cosmetics | Toshio Ogawa, Yujiro Nakano, Shoichiro Kamitakahara | 2017-10-10 |
| 9782332 | Hair bleaching or hair dye cosmetics | Toshio Ogawa, Yujiro Nakano, Shoichiro Kamitakahara | 2017-10-10 |
| 7387783 | Keratotic plug remover | Takahiro Osumi | 2008-06-17 |
| 6942869 | Keratotic plug remover | Takahiro Osumi | 2005-09-13 |
| 5660704 | Plating method and plating system for non-homogenous composite plating coating | — | 1997-08-26 |
| 5647967 | Plating method for cylinder | Masaaki Isobe | 1997-07-15 |
| 5642700 | Sliding contact-making structures in internal combustion engine and method for producing same | Hirohiko Ikegaya | 1997-07-01 |
| 5619962 | Sliding contact-making structures in internal combustion engine | Hirohiko Ikegaya | 1997-04-15 |
| 5520791 | Non-homogenous composite plating coating | — | 1996-05-28 |
| 5030320 | Chemical surface treatment apparatus and process | Kazuyuki Nishimura, Hirohiko Ikegaya | 1991-07-09 |