Inventor · disambiguated record
Takuji Koyanagi
Also filed as: KOYANAGI TAKUJI
2 granted patents·71 citations·filing 1977–1980
66Inventor score
Technology areasB29C
Top patents by PatentIndex Score
2 records- 0182US4126719AReinforced plastic products with decorated surfacesINA SEITO KK·Filed 1977·Granted Nov 21, 1978·55 cites·8 claims
- 0252US4382055ALightweight and dimensionally accurate resin concrete molded products, and a method of making the sameKOYANAGI TAKUJI·Filed 1980·Granted May 3, 1983·16 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →