Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11478341 | Interdental cleaning tool | Tasuku Kikkawa, Narutomo Shiraki, Satoru Komiyama, Noboru Kusakabe, Shinji Yumei | 2022-10-25 |
| 9919365 | Side milling cutter for slot cutting | Takayuki Miyamoto, Kenji Nishikawa, Ippei KONO, Junichi Hirai, Nobuhisa Kanamaru +1 more | 2018-03-20 |
| 4720202 | Print ribbon replaceable cassette | — | 1988-01-19 |
| 4669899 | Ink ribbon cartridge and color ink ribbon for printer | Shoji Nishiwaki, Hidejirou Maehara | 1987-06-02 |