Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12259158 | Air cleaner | Kazumi Fujikura, Takeshi Hattori | 2025-03-25 |
| 7100110 | System for filling in documents using an electronic pen | Naoko Tazawa, Hisashi Ikeda, Hiroshi Sako | 2006-08-29 |