Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4891296 | Pattern transfer method and silver halide photographic plate to be used for said method | Shigeru Tsurukiri, Hiroshi Sugita, Toshio Yamamoto, Masaru Kawasaki | 1990-01-02 |
| 4307199 | Process for making heat insulating firebricks | Takeo Saeki, Shinichiro Oosawa, Hideo Hisaka, Naoki Tanetani | 1981-12-22 |