Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871695 | Process for the production of glass | Koji Seki, Kiyoshi Ohno, Hiroshi Yokota | 1989-10-03 |
| 4828593 | Process for the production of glass | Terukazu Imayoshi, Hitoshi Kikuchi, Akihiro Nakamura | 1989-05-09 |
| 4828594 | Process for the production of glass | Hiroshi Namikawa, Youji Koguchi, Shin-Ichi Miyake, Terukazu Imayoshi, Hitoshi Kikuchi +1 more | 1989-05-09 |
| 4828595 | Process for the production of glass | Terukazu Imayoshi, Hitoshi Kikuchi, Akihiro Nakamura | 1989-05-09 |