Inventor · disambiguated record
Sumio Maruyama
Also filed as: MARUYAMA SUMIO
2 granted patents·1 pending application·25 citations·filing 1999–2013
54Inventor score
Top patents by PatentIndex Score
3 records- 0170USD422200SWedge pinU BUILDERS WORKSHOP CO LTD·Filed 1999·Granted Apr 4, 2000·25 cites·1 claims
- 0248US2011046366A1Liquid porphyrin derivative, and method for producing the sameMARUYAMA SUMIO·Filed 2009·Application pending·0 cites
- 0346US9933679B2Birefringence improving agent, ferroelectric liquid crystal composition and liquid crystal display device using the agent, and compoundLC VISION LLC·Filed 2013·Granted Apr 3, 2018·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →