Inventor · disambiguated record
Kei Tsuji
Also filed as: TSUJI KEI
16 granted patents·4 pending applications·226 citations·filing 2000–2025
92Inventor score
Top patents by PatentIndex Score
20 records- 0194US11794082B1Golf club head with sole side featuresMIZUNO KK·Filed 2022·Granted Oct 24, 2023·4 cites·20 claims
- 0294US9597563B2Multi-track adjustable golf clubMIZUNO USA INC·Filed 2014·Granted Mar 21, 2017·51 cites·13 claims
- 0393US6695712B1Golf club head, iron golf club head, wood golf club head, and golf club setMIZUNO KK·Filed 2000·Granted Feb 24, 2004·116 cites·33 claims
- 0488US10159880B1Adjustable metal wood golf club head with moveable weight structureMIZUNO KK·Filed 2017·Granted Dec 25, 2018·13 cites·8 claims
- 0582US2025284737A1Multiple stage indexing of audio contentGRACENOTE INC·Filed 2025·Application pending·0 cites
- 0680US12346373B2Multiple stage indexing of audio contentGRACENOTE INC·Filed 2024·Granted Jul 1, 2025·0 cites·20 claims
- 0780US10434385B2Golf club head and golf clubMIZUNO TECHNICS CORP·Filed 2018·Granted Oct 8, 2019·12 cites·9 claims
- 0880US8834292B2Iron golf club head and iron golf clubTSUJI KEI·Filed 2012·Granted Sep 16, 2014·20 cites·5 claims
- 0974US11954149B2Multiple stage indexing of audio contentGRACENOTE INC·Filed 2022·Granted Apr 9, 2024·0 cites·20 claims
- 1072US10885109B2Multiple stage indexing of audio contentGRACENOTE INC·Filed 2017·Granted Jan 5, 2021·1 cites·19 claims
- 1169US2024050819A1Golf club head with sole side featuresMIZUNO KK·Filed 2023·Application pending·0 cites
- 1267US11487814B2Multiple stage indexing of audio contentGRACENOTE INC·Filed 2021·Granted Nov 1, 2022·0 cites·20 claims
- 1359US11738242B2Wave sole for a golf club headMIZUNO KK·Filed 2021·Granted Aug 29, 2023·0 cites·20 claims
- 1456US10926141B2Wave sole for a golf club headMIZUNO KK·Filed 2019·Granted Feb 23, 2021·0 cites·15 claims
- 1556USD617859SHybrid golf club headMIZUNO USA INC·Filed 2009·Granted Jun 15, 2010·9 cites·1 claims
- 1650US12053676B2Golf club headMIZUNO KK·Filed 2021·Granted Aug 6, 2024·0 cites·19 claims
- 1749US2015238826A1Wave sole for a golf club headMIZUNO USA INC·Filed 2014·Application pending·0 cites
- 1846US11235213B2Golf club head and golf clubMIZUNO KK·Filed 2020·Granted Feb 1, 2022·0 cites·4 claims
- 1946US10486027B1Golf ballMIZUNO KK·Filed 2019·Granted Nov 26, 2019·0 cites·3 claims
- 2040US2016325155A1Wave sole for a golf club headMIZUNO USA INC·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →