Issued Patents All Time
Showing 51–54 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5250401 | Processing composition for silver halide color photographic material and processing process including that composition | Hisashi Okada, Morio Yagihara, Hiroyuki Seki | 1993-10-05 |
| 5250402 | Photographic bleaching composition and a processing method therewith | Hisashi Okada, Morio Yagihara | 1993-10-05 |
| 5223379 | Processing compositions for silver halide color photographic materials and method for processing the same materials | Hisashi Okada, Toshihiko Maekawa, Tsukasa Yamada, Hiroyuki Seki | 1993-06-29 |
| 5123472 | Apparatus for lifting and tilting slats in a venetian blind | Masahiro Nagashima, Kazuya Hayashi | 1992-06-23 |