Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855728 | Method and apparatus for converting display data form | Hiroyuki Mano, Tsuguji Tachiuchi, Kiyoshige Kinugawa | 1989-08-08 |
| 4831805 | Precast concrete board fixing metal fitting | Mitsuo Noborisaka, Masashi Noborisaka, Toshiaki Fukagai, Takashi Taniguchi, Yuuji Satou +2 more | 1989-05-23 |
| 4796653 | Method of enhancing residual compressive stress in double metallic tubes | Masahiro Kobayashi, Akitake Matsushita, Hitoshi Nakamura, Shuji Furuya | 1989-01-10 |