Inventor · disambiguated record

Nobuyoshi Shimoyashiki

Also filed as: SHIMOYASHIKI NOBUYOSHI

4 granted patents·38 citations·filing 1979–1982

75Inventor score

Technology areasC08J

Files withJAPAN STYRENE PAPER CORP4

Top patents by PatentIndex Score

4 records

0165US4451417AMethod of producing extruded plate-like polystyrene foamJAPAN STYRENE PAPER CORP·Filed 1982·Granted May 29, 1984·20 cites·3 claims
0252US4255371AProcess for producing olefinic resin foamsJAPAN STYRENE PAPER CORP·Filed 1979·Granted Mar 10, 1981·11 cites·7 claims
0334US4393016AProcess for producing plate-like polystyrene resin foamJAPAN STYRENE PAPER CORP·Filed 1981·Granted Jul 12, 1983·4 cites·4 claims
0433US4260572AProcess for producing foamed polystyrene boardsJAPAN STYRENE PAPER CORP·Filed 1979·Granted Apr 7, 1981·3 cites·8 claims

Join the waitlist — get patent alerts

Get an alert when Nobuyoshi Shimoyashiki files or is granted a new patent.

We store only your email — no account needed. See our privacy policy.

Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →