Inventor · disambiguated record
Tetsuya Hirota
Also filed as: HIROTA TETSUYA · TANAKA HITOSHI
10 granted patents·6 pending applications·234 citations·filing 1977–2024
90Inventor score
Files withSUMITOMO METAL IND5MITSUBISHI CHEM IND3TOKAI RIKA CO LTD3TOPPAN HOLDINGS INC2ASAHI CHEMICAL IND1
Top patents by PatentIndex Score
16 records- 0190US4602212AMethod and apparatus including a flux leakage and eddy current sensor for detecting surface flaws in metal productsSUMITOMO METAL IND·Filed 1983·Granted Jul 22, 1986·65 cites·19 claims
- 0290US4332623AAdsorption separation method and apparatus thereofMITSUBISHI CHEM IND·Filed 1979·Granted Jun 1, 1982·59 cites·14 claims
- 0372US4217548AFlaw detector for pipe employing magnets located outside the pipe and detector mounted inside and movable along the pipe with the magnetsSUMITOMO METAL IND·Filed 1978·Granted Aug 12, 1980·24 cites·5 claims
- 0472US2024405046A1Infrared light pass filter, coloring composition, filter for solid-state image sensors, and solid-state image sensorTOPPAN HOLDINGS INC·Filed 2024·Application pending·0 cites
- 0571US4405455AAdsorption separation apparatusMITSUBISHI CHEM IND·Filed 1982·Granted Sep 20, 1983·29 cites·8 claims
- 0665US4247818AAutomatic sensitivity adjustment apparatus for calibration of a non-destructive inspection instrumentSUMITOMO METAL IND·Filed 1978·Granted Jan 27, 1981·17 cites·1 claims
- 0760US4127813AMethod for balancing the sensitivity of two channels in a differential detection apparatusSUMITOMO METAL IND·Filed 1977·Granted Nov 28, 1978·13 cites·3 claims
- 0858US4258318AFlaw detector for pipe employing magnets located outside the pipe and detector mounted inside and movable along the pipe with the magnetsSUMITOMO METAL IND·Filed 1978·Granted Mar 24, 1981·15 cites·2 claims
- 0956US2024280727A1Photosensitive coloring compositions for infrared pass filters, infrared pass filters, methods of producing photosensitive coloring compositions for infrared pass filters, and methods of producing infrared pass filtersTOPPAN HOLDINGS INC·Filed 2024·Application pending·0 cites
- 1054US11614574B2Coloring composition for solid-state imaging elementTOPPAN PRINTING CO LTD·Filed 2019·Granted Mar 28, 2023·0 cites·12 claims
- 1150US2023153684A1Learning device, learning method, and measurement deviceTOKAI RIKA CO LTD·Filed 2021·Application pending·0 cites
- 1246US2022336102A1Learning device, learning method, and measurement deviceTOKAI RIKA CO LTD·Filed 2020·Application pending·0 cites
- 1346US2023037994A1Learning device, learning method, and measurement deviceTOKAI RIKA CO LTD·Filed 2020·Application pending·0 cites
- 1440US2021198492A1Coloring composition and method for producing color filter for solid-state imaging elementTOYO INK SC HOLDINGS CO LTD·Filed 2019·Application pending·0 cites
- 1537US5882522APaint recovering method and collecting materialASAHI CHEMICAL IND·Filed 1997·Granted Mar 16, 1999·12 cites·3 claims
- 1627US4106993AMethod for preservation of aqueous glucose isomerase solutionMITSUBISHI CHEM IND·Filed 1977·Granted Aug 15, 1978·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →