Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11653724 | Snap button and female snap button | Kazunori Somai | 2023-05-23 |
| 11528967 | Male snap button and female snap button | Kazunori Somai, Daisuke Hayashi, Kohei Iwata, Nariko Kubota | 2022-12-20 |
| 11019886 | Button | Daisuke Hayashi, Hayuru Tanaka, Ryohei Nakawatase | 2021-06-01 |
| D844486 | Snap button | Daisuke Hayashi, Hayuru Tanaka, Ryohei Nakawatase, Akio Kobayashi | 2019-04-02 |