Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5567521 | Powder coating | Kiyoshi Nishida, Tsutomu Sugiyama, Kenzi Hattori | 1996-10-22 |
| 5498479 | Powder coating | Kiyoshi Nishida, Tsutomu Sugiyama, Kenzi Hattori | 1996-03-12 |
| 4702989 | Process for producing pressure-fixable electrophotographic toners | Norihide Sugiyama, Hiroshi Nagase, Seiichi Yamamoto, Shigeo Miyamori | 1987-10-27 |