Inventor · disambiguated record
Takumi Kosugi
Also filed as: HASHIMOTO YOSHIHIKO · KOSUGI TAKUMI
7 granted patents·1 pending application·254 citations·filing 1973–2001
87Inventor score
Top patents by PatentIndex Score
8 records- 0188US5844720APrism sheetGOYO PAPER WORKING CO LTD·Filed 1995·Granted Dec 1, 1998·126 cites·4 claims
- 0286US5885490AContinuous sheet having optical functionsGOYO PAPER WORKING CO LTD·Filed 1997·Granted Mar 23, 1999·62 cites·12 claims
- 0371US4220734AImpact and weather resistant composite of polyvinylchloride and acrylic modifierKANEGAFUCHI CHEMICAL IND·Filed 1973·Granted Sep 2, 1980·14 cites·20 claims
- 0471US3992485AProcess for preparation of weather resistant and impact resistant resinsKANEGAFUCHI CHEMICAL IND·Filed 1975·Granted Nov 16, 1976·19 cites·9 claims
- 0562US4454276APolyamide acid composition for preparing polyimide and process for preparing polyimide from the sameKANEGAFUCHI CHEMICAL IND·Filed 1982·Granted Jun 12, 1984·16 cites·8 claims
- 0657US4014842AVinyl chloride resin compositionsKANEGAFUCHI CHEMICAL IND·Filed 1975·Granted Mar 29, 1977·14 cites·8 claims
- 0740US2003075264A1Method for producing a continuous sheet having optical functionsGOYO PAPER WORKING CO LTD·Filed 2001·Application pending·0 cites
- 0834US4515915APolyamide acid composition for preparing polyimideKANEGAFUCHI CHEMICAL IND·Filed 1984·Granted May 7, 1985·3 cites·3 claims
Join the waitlist — get patent alerts
Get an alert when Takumi Kosugi 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 →