Inventor · disambiguated record
Ryozo Sugawara
Also filed as: SUGAWARA RYOZO
4 granted patents·129 citations·filing 1979–1999
79Inventor score
Files withDAINIPPON INK & CHEMICALS4
Top patents by PatentIndex Score
4 records- 0194US4402887ASheet-like articles of polyvinyl chlorideDAINIPPON INK & CHEMICALS·Filed 1979·Granted Sep 6, 1983·66 cites·5 claims
- 0290US4278728AEmbossed interior finishing materials having excellent cigarette mark resistanceDAINIPPON INK & CHEMICALS·Filed 1979·Granted Jul 14, 1981·47 cites·13 claims
- 0347US6248493B1Toner for non-magnetic single component developmentDAINIPPON INK & CHEMICALS·Filed 1999·Granted Jun 19, 2001·9 cites·11 claims
- 0443US6238836B1Toner composition and developer for electrostatic image developmentDAINIPPON INK & CHEMICALS·Filed 1999·Granted May 29, 2001·7 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →