Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12055796 | Lens and method for manufacturing lens | Akihiro Muramatsu, Hirofumi Asada, Akifumi Aono | 2024-08-06 |
| 11914231 | Lens, lens blank, and eyewear | Eiichiro HIKOSAKA, Akifumi Aono | 2024-02-27 |
| D983865 | Spectacles | Eiichiro HIKOSAKA, Akihiro Muramatsu | 2023-04-18 |
| 11314119 | Lens, lens blank, and eyewear | Eiichiro HIKOSAKA, Toshifumi Hino, Akifumi Aono, Akihiro Muramatsu | 2022-04-26 |
| 11050929 | Driver recorder, display control method and program | — | 2021-06-29 |
| 10859865 | Lens, lens blank, and eyewear | Eiichiro HIKOSAKA, Toshifumi Hino, Akifumi Aono, Akihiro Muramatsu | 2020-12-08 |
| 4933654 | Polarized electromagnetic relay | Masami Hori, Norimasa Kaji, Hiromi Nishimura | 1990-06-12 |
| 4826737 | Method of using aluminum alloy as substrate for magnetic discs with enhanced magnetic recording density | Kazuo Yamada, Masahiro Tsuchiya, Hideaki Kakita, Reijiro Maruyama, Yo Takeuchi | 1989-05-02 |
| 4568207 | Magnetic actuator mechanism | Kazuhiko Hara, Fumihiro Kasano, Hiromi Nishimura, Tadashi Murakami | 1986-02-04 |