RS

Ryozo Sugawara

DC Dainippon Ink And Chemicals: 4 patents #105 of 1,002Top 15%
Overall (All Time): #1,276,537 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6248493 Toner for non-magnetic single component development Katsuyuki Ogura, Masanobu Nakamura, Hiroyuki Mariko, Yoshinori Shimane, Hiroyuki Terada +1 more 2001-06-19
6238836 Toner composition and developer for electrostatic image development Masanobu Nakamura, Toshiro Kogawara, Hideki Gambayashi, Norio Aoki, Yoshinori Shimane +1 more 2001-05-29
4402887 Sheet-like articles of polyvinyl chloride Kazuya Kuriyama, Shigeru Murakami, Kiyoshi Honda 1983-09-06
4278728 Embossed interior finishing materials having excellent cigarette mark resistance Kiyoshi Honda, Kazuya Kuriyama, Shigeru Murakami, Chiaki Nakamura 1981-07-14