Inventor · disambiguated record
Hajime Sakai
Also filed as: SAKAI HAJIME
5 granted patents·2 pending applications·87 citations·filing 1993–2025
81Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD3NEC CORP1NGK SPARK PLUG CO1OHTSUKA SANGYO MAT CO LTD1PROCTER & GAMBLE1
Top patents by PatentIndex Score
7 records- 0190US6998336B1Wiring board and method of producing the sameNGK SPARK PLUG CO·Filed 2005·Granted Feb 14, 2006·23 cites·13 claims
- 0278US6882713B2Telephone apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Apr 19, 2005·35 cites·5 claims
- 0370USD985129SSkin analyzer for skin carePROCTER & GAMBLE·Filed 2021·Granted May 2, 2023·4 cites·1 claims
- 0468US2025279759A1Multiband balunNEC CORP·Filed 2025·Application pending·0 cites
- 0566US2024239071A1Molding subsidiary material and method of producing sameOHTSUKA SANGYO MAT CO LTD·Filed 2023·Application pending·0 cites
- 0662US5487105AFacsimile apparatus operable in facsimile or telephone modeMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Jan 23, 1996·21 cites·23 claims
- 0760US7130647B2Cordless telephone systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Oct 31, 2006·4 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →