Inventor · disambiguated record
Kenji Sumiya
Also filed as: SUMIYA KENJI
14 granted patents·125 citations·filing 1984–2019
91Inventor score
Top patents by PatentIndex Score
14 records- 0191US4536444AMagnetic recording mediumHITACHI MAXELL·Filed 1984·Granted Aug 20, 1985·35 cites·11 claims
- 0265US5069973AMagnetic recording mediumHITACHI MAXELL·Filed 1989·Granted Dec 3, 1991·20 cites·6 claims
- 0364US4659633AMagnetic recording mediumHITACHI MAXELL·Filed 1986·Granted Apr 21, 1987·13 cites·9 claims
- 0456US4830923AMagnetic recording mediumHITACHI MAXELL·Filed 1986·Granted May 16, 1989·16 cites·19 claims
- 0554US10287713B2Warp shedding apparatus of loomTOYOTA JIDOSHOKKI KK·Filed 2017·Granted May 14, 2019·0 cites·5 claims
- 0650US4803125AMagnetic recording mediumHITACHI MAXELL·Filed 1987·Granted Feb 7, 1989·12 cites·7 claims
- 0749US11242627B2Water injection apparatus for water jet loomTOYOTA JIDOSHOKKI KK·Filed 2019·Granted Feb 8, 2022·0 cites·4 claims
- 0841US5480702AArticle having indicia-receiving layerHITACHI MAXELL·Filed 1994·Granted Jan 2, 1996·8 cites·8 claims
- 0940US4668587AMagnetic recording mediumHITACHI MAXELL·Filed 1986·Granted May 26, 1987·4 cites·6 claims
- 1037US4741952AMagnetic recording mediumHITACHI MAXELL·Filed 1986·Granted May 3, 1988·5 cites·8 claims
- 1133US4698279AMagnetic recording mediumHITACHI MAXELL·Filed 1986·Granted Oct 6, 1987·3 cites·5 claims
- 1232US5110680AMagnetic recording mediumHITACHI MAXELL·Filed 1988·Granted May 5, 1992·1 cites·2 claims
- 1332US4895763AMagnetic recording medium and non-aqueous suspension of inorganic solid particles for use in the production of the sameHITACHI MAXELL·Filed 1987·Granted Jan 23, 1990·2 cites·7 claims
- 1423US5807394ASurgical instrumentMIZUHO IKA KOGYO KABUSHIKI KAI·Filed 1996·Granted Sep 15, 1998·6 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →