Inventor · disambiguated record
Masaru Hirai
Also filed as: HIRAI MASARU
16 granted patents·1 pending application·306 citations·filing 1980–2024
94Inventor score
Top patents by PatentIndex Score
17 records- 0190US4695488ASoil release composition and use thereofDAIKIN IND LTD·Filed 1986·Granted Sep 22, 1987·49 cites·17 claims
- 0288US4927950AFluorine-containing silane compoundsDAIKIN IND LTD·Filed 1985·Granted May 22, 1990·29 cites·4 claims
- 0384US4563287AAqueous fire-extinguishing compositionDAIKIN IND LTD·Filed 1983·Granted Jan 7, 1986·63 cites·25 claims
- 0482US12388437B2Reset semiconductor integrated circuit and electronic circuit system using the sameTAKANO YOICHI·Filed 2022·Granted Aug 12, 2025·1 cites·6 claims
- 0576US4559179AFluorine-containing vinyl compoundDAIKIN MFG CO LTD·Filed 1984·Granted Dec 17, 1985·21 cites·6 claims
- 0675US5143991ACopolymer desoiling agentDAIKIN IND LTD·Filed 1990·Granted Sep 1, 1992·30 cites·15 claims
- 0774US4976741AAntistatic agent: mixture of anionic surfactant and a fluorine-containing nonionic surfactantDAIKIN IND LTD·Filed 1986·Granted Dec 11, 1990·27 cites·6 claims
- 0869US4326576ARubber composition employing soft black and a thermosetting resin and tires employing said compositionYOKOHAMA RUBBER CO LTD·Filed 1981·Granted Apr 27, 1982·22 cites·17 claims
- 0964US4319619ARadial-ply tire having low rolling resistanceYOKOHAMA RUBBER CO LTD·Filed 1980·Granted Mar 16, 1982·24 cites·2 claims
- 1062US12388439B2Semiconductor integrated circuit and electronic apparatusHIRAI MASARU·Filed 2024·Granted Aug 12, 2025·0 cites·18 claims
- 1162US5041480AFluoroelastomer compositionDAIKIN IND LTD·Filed 1985·Granted Aug 20, 1991·13 cites·19 claims
- 1262US4606832AFire extinguishing compositionDAIKIN IND LTD·Filed 1983·Granted Aug 19, 1986·22 cites·6 claims
- 1350US2025158608A1Semiconductor integrated circuit and electronic deviceHIRAI MASARU·Filed 2024·Application pending·0 cites
- 1444US11549972B2Voltage detection circuitTABUCHI HITOSHI·Filed 2021·Granted Jan 10, 2023·0 cites·4 claims
- 1536US5254754AProcess for preparing adduct of unsaturated alcohol and iodinated fluoroalkaneDAIKIN IND LTD·Filed 1991·Granted Oct 19, 1993·1 cites·8 claims
- 1635US8310287B2Reset circuit and control apparatus including the reset circuitHIRAI MASARU·Filed 2011·Granted Nov 13, 2012·0 cites·6 claims
- 1734US4511733AFluorine-containing aminocarboxylic acid compoundsDAIKIN IND LTD·Filed 1982·Granted Apr 16, 1985·4 cites·6 claims
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