Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12227024 | Writing implement | Toshimi Kamitani, Chihiro Mochizuki, Kaito Tsukada | 2025-02-18 |
| 12187068 | Fiber-bundled part for writing instruments, and pen tip and writing instrument using the fiber-bundled part | Toshihiro Takahashi, Toshimi Kamitani | 2025-01-07 |