Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11757103 | Gas diffusion electrode medium and method for producing the same, gas diffusion electrode, membrane electrode assembly, and polymer electrolyte fuel cell | Masamichi Utsunomiya, Fumitaka Watanabe | 2023-09-12 |
| 10305117 | Carbon fiber nonwoven fabric, production method for carbon fiber nonwoven fabric, and nonwoven fabric of carbon fiber precursor fibers | Kentaro Kajiwara, Tomoyuki Horiguchi | 2019-05-28 |
| 10072130 | Fiber-reinforced composite material and process for producing fiber-reinforced composite material | Kentaro Kajiwara, Tomoyuki Horiguchi | 2018-09-11 |
| 9837667 | Carbon-fiber nonwoven cloth and gas diffusion electrode for polymer electrolyte fuel cell using same, polymer electrolyte fuel cell, method for manufacturing carbon-fiber nonwoven cloth, and composite sheet | Kentaro Kajiwara, Tomoyuki Horiguchi | 2017-12-05 |
| 7820568 | Leather-like sheet and production method thereof | Tomoyuki Horiguchi, Kentaro Kajiwara | 2010-10-26 |
| 6623681 | Polyester fiber and process for preparing the same | Setsuo Taguchi, Ryuji Ota, Masumi Fujimoto | 2003-09-23 |
| 5358538 | Process for production of black coloring material and cosmetics containing said black coloring material and use thereof | Susumu Shimoyama, Ujo Maeda, Keiko Maeda, Yasuko Noda, Kunio Kataoka +2 more | 1994-10-25 |
| 5244469 | Process for preparation of black coloring materials and application thereof: chitosan treated with black extract of lithospermum root | Susumu Shimoyama, Yasuko Noda, Ujo Maeda, Tasuku Shimoyama, Kunio Kataoka +5 more | 1993-09-14 |