Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6127290 | Heat generator for footwear and manufacturing method thereof | Naoto Wagatsuma, Masako Yamakawa, Minako Suzuki | 2000-10-03 |
| 6127294 | Sheet shaped heat generating body and method of manufacturing same | Naoto Wagatsuma, Mamoru Takahashi | 2000-10-03 |
| 5975074 | Sheet type heating element and method of manufacturing the same | Naoto Wagatsuma, Masayuki Fujisawa, Namoru Takahashi | 1999-11-02 |
| 5588304 | Trigger for regenerative substances and regenerative body with the trigger | Yoshiki Matsumoto, Masayuki Fujisawa, Isao Nagatsu | 1996-12-31 |
| 5429762 | Cooling agent | Koichi Kitahara, Yoshiki Matsumoto, Masayuki Fujisawa, Isao Nagatsu, Mamoru Takahashi | 1995-07-04 |
| 5425975 | Sheet-shaped heat-generating body | Shigeo Ariki | 1995-06-20 |
| 4516564 | Heat generating body | Kenji Ohtsuka, Shigeo Yahara | 1985-05-14 |