Inventor · disambiguated record
Kenji Sumida
Also filed as: SUMIDA KENJI
7 granted patents·2 pending applications·129 citations·filing 1988–2024
86Inventor score
Files withWASHI KOSAN KK5DAIKIN IND LTD1HITACHI LTD1MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1NIPPON MAYER CO LTD1
Top patents by PatentIndex Score
9 records- 0188US6075652AConvex-microgranular surface structureWASHI KOSAN KK·Filed 1996·Granted Jun 13, 2000·69 cites·30 claims
- 0269US7702573B2Debt reduction method and device thereofWASHI KOSAN KK·Filed 2004·Granted Apr 20, 2010·3 cites·1 claims
- 0368US2024408533A1Isolation methodDAIKIN IND LTD·Filed 2024·Application pending·0 cites
- 0465US5675993APatterning method and device in warp knitting machineNIPPON MAYER CO LTD·Filed 1995·Granted Oct 14, 1997·17 cites·11 claims
- 0552US5709922ATransparent article and process for producing the sameHITACHI LTD·Filed 1994·Granted Jan 20, 1998·14 cites·12 claims
- 0650US6707253B2Matching circuit and plasma processing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Mar 16, 2004·2 cites·10 claims
- 0746US6183081B1Kit providing independent right and left eyeglass lenses with side frames and method for assembly thereofWASHI KOSAN KK·Filed 1996·Granted Feb 6, 2001·15 cites·9 claims
- 0836US2001001246A1Framed lens, pattern paper for assembling the same, right and left interchangeable glasses lens, and glasses using the sameWASHI KOSAN KK·Filed 2000·Application pending·0 cites
- 0931US4978101ASolenoid controlled valve ofr liquid preparationWASHI KOSAN KK·Filed 1988·Granted Dec 18, 1990·9 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →