Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12214616 | Mechanical pencil | Takamasa Fukuda | 2025-02-04 |
| 11884093 | Mechanical pencil | Takamasa Fukuda | 2024-01-30 |
| 11472222 | Multifunction pen | Kyo Nakayama, Shinichi Ushiku, Tsuyoshi Nishida, Masashi Sakagami, Satoru Okabe | 2022-10-18 |
| 11221686 | Multifunction pen | Kyo Nakayama, Shinichi Ushiku, Tsuyoshi Nishida, Masashi Sakagami, Satoru Okabe | 2022-01-11 |
| 10838520 | Handwriting input device | Kyo Nakayama, Masaya Yamada | 2020-11-17 |
| 9649872 | Chuck body and mechanical pencil | Kyo Nakayama | 2017-05-16 |
| 8366073 | Resin member for valve | Hiroki Yamada | 2013-02-05 |
| 6803414 | Damping resin composition and damping resin article for structure using the resin composition | Takeshi Honjo, Harushige Yamamura, Tai Uruji, Masayoshi Yamaguchi, Hiroshi Hayashi | 2004-10-12 |
| 4566711 | Steering system for vehicles | Yoshimi Furukawa, Shoichi Sano | 1986-01-28 |