Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12367627 | Equipment management method, equipment management device, equipment management program, and recording medium | — | 2025-07-22 |
| 8632882 | Dialkoxymagnesium granules and method for their synthesis | Hiroshi Kumai, Mitsuteru Suyama | 2014-01-21 |
| 5318724 | Antistatic coating composition | Minoru Hasegawa, Hiroshi Kumai, Masayo Hosoda | 1994-06-07 |