Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4623586 | Vibration damping material of polymer base containing flake filler | Kaoru Umeya, Yoshihiro Sugata | 1986-11-18 |
| 4397666 | Method of producing glass from metal alkoxide solution | Yuji Yamamoto, Kensuke Makita, Sumio Sakka, Kanichi Kamiya | 1983-08-09 |