Inventor · disambiguated record
Itaru Watanabe
Also filed as: KOSHIGA FUSAO · NAKAHASHI MASAKO · TSUSHIMA SAKAE · WATANABE ITARU
39 granted patents·10 pending applications·836 citations·filing 1975–2025
98Inventor score
Top patents by PatentIndex Score
49 records- 0198US6361136B1Detection system, liquid-jet printing apparatus and liquid containerCANON KK·Filed 1998·Granted Mar 26, 2002·174 cites·44 claims
- 0294US4151053ACation exchange membrane preparation and use thereofASAHI CHEMICAL IND·Filed 1978·Granted Apr 24, 1979·68 cites·34 claims
- 0392US7234800B2Inkjet recording apparatusCANON KK·Filed 2005·Granted Jun 26, 2007·12 cites·6 claims
- 0492US4572748AMethod of manufacturing high tensile strength steel platesNIPPON KOKAN KK·Filed 1985·Granted Feb 25, 1986·45 cites·2 claims
- 0590US6468428B1Glass material for carrying a photocatalyst, filter device using the same and light irradiating methodHOYA CORP·Filed 1997·Granted Oct 22, 2002·95 cites·13 claims
- 0688US6805437B2Liquid supply system, ink jet recording head, ink jet recording apparatus and liquid filling methodCANON KK·Filed 2002·Granted Oct 19, 2004·34 cites·49 claims
- 0785US7150519B2Ink jet recording apparatusCANON KK·Filed 2002·Granted Dec 19, 2006·30 cites·2 claims
- 0885US6733117B2Pressure adjustment chamber, ink-jet recording head having the same, and ink-jet recording device using the sameCANON KK·Filed 2002·Granted May 11, 2004·27 cites·12 claims
- 0985US4988035AMethod of liquid phase diffusion bonding of metal bodiesNIPPON KOKAN KK·Filed 1989·Granted Jan 29, 1991·43 cites·12 claims
- 1084US6631966B2Recording head and recording apparatus with temperature controlCANON KK·Filed 2001·Granted Oct 14, 2003·25 cites·18 claims
- 1183US4071732AMethod of large current gas shielded arc weldingNIPPON KOKAN KK·Filed 1975·Granted Jan 31, 1978·30 cites·4 claims
- 1281US4072793AReinforced ion-exchange membraneASAHI CHEMICAL IND·Filed 1976·Granted Feb 7, 1978·31 cites·5 claims
- 1381US4020312AMethod of manufacturing thick, high-strength steel pipe for low temperature serviceNIPPON KOKAN KK·Filed 1975·Granted Apr 26, 1977·28 cites·4 claims
- 1474US4209367AElectrolysis of aqueous alkali metal halide solutionASAHI CHEMICAL IND·Filed 1977·Granted Jun 24, 1980·22 cites·27 claims
- 1573US6264303B1Optical linear encoder and recording apparatus using the sameCANON KK·Filed 1996·Granted Jul 24, 2001·31 cites·7 claims
- 1670US8088308B2Resin composition and semiconductor device produced by using the sameOKUBO HIKARU·Filed 2005·Granted Jan 3, 2012·5 cites·3 claims
- 1770US6851795B2Cartridge with opposed electrical and ink connection portions, and carriage and ink jet recording apparatus for sameCANON KK·Filed 2002·Granted Feb 8, 2005·13 cites·28 claims
- 1869US4155782AWatch caseTOKYO SHIBAURA ELECTRIC CO·Filed 1976·Granted May 22, 1979·14 cites·5 claims
- 1968US12431306B2Switch deviceTOKAI RIKA CO LTD·Filed 2023·Granted Sep 30, 2025·0 cites·8 claims
- 2064US12001759B2Operation device comprising a housing arranged on a center clusterTOKAI RIKA CO LTD·Filed 2023·Granted Jun 4, 2024·0 cites·11 claims
- 2163US4145594AMethod for longitudinally seam-welding pipe-bland for welded steel pipe from inside along grooveNIPPON KOKAN KK·Filed 1977·Granted Mar 20, 1979·15 cites·3 claims
- 2262US4341938AMethod and apparatus for seam-welding steel pipesNIPPON KOKAN KK·Filed 1980·Granted Jul 27, 1982·16 cites·13 claims
- 2362US4034179AMethod of multiple electrode gas shielded arc weldingNIPPON KOKAN KK·Filed 1975·Granted Jul 5, 1977·13 cites·9 claims
- 2462US2025334780A1Imaging optical system, and image capture device and camera system including the samePANASONIC IP MAN CO LTD·Filed 2025·Application pending·0 cites
- 2561US12496904B2Switch device and method for controlling switch deviceTOKAI RIKA CO LTD·Filed 2022·Granted Dec 16, 2025·0 cites·7 claims
- 2661US2024361512A1High elastic-glass substrate for light guide plate with double-sided diffractive optical element for transparent displayHOYA CORP·Filed 2024·Application pending·0 cites
- 2761US2024156883A1Oral composition for animal and periodontal disease preventive, infection disease preventive, and mouth odor preventive using the oral compositionSOSIN CO LTD·Filed 2023·Application pending·0 cites
- 2856US4107503AMethod for eliminating residual magnetism in pipe-blank for welded steel pipe longitudinally seam-welded from insideNIPPON KOKAN KK·Filed 1977·Granted Aug 15, 1978·10 cites·7 claims
- 2955US4013868AMethod of multiple gas shielded arc weldingNIPPON KOKAN KK·Filed 1975·Granted Mar 22, 1977·10 cites·3 claims
- 3054US4337141ACation exchange membraneASAHI CHEMICAL IND·Filed 1980·Granted Jun 29, 1982·11 cites·5 claims
- 3152US8853312B2Resin composition and semiconductor device produced by using the sameSUMITOMO BAKELITE CO·Filed 2012·Granted Oct 7, 2014·0 cites·6 claims
- 3250US11422657B2Remote control device, processing device, and non-transitory computer-readable medium having recorded computer program for the processing device to remotely control an operation of a controlled deviceTOKAI RIKA CO LTD·Filed 2021·Granted Aug 23, 2022·0 cites·6 claims
- 3350US7588326B2Inkjet recording apparatusCANON KK·Filed 2007·Granted Sep 15, 2009·0 cites·5 claims
- 3449US12357012B2Anti-allergy functional food composition, cosmetic and percutaneous external agentSOSIN CO LTD·Filed 2021·Granted Jul 15, 2025·0 cites·7 claims
- 3548US4093568AProcess for production of perfluorocarbon type cation exchange membraneASAHI CHEMICAL IND·Filed 1976·Granted Jun 6, 1978·9 cites·12 claims
- 3647US8614270B2Resin composition and semiconductor device produced by using the sameOKUBO HIKARU·Filed 2011·Granted Dec 24, 2013·0 cites·18 claims
- 3747US2021401914A1Oral composition for animal and periodontal disease preventive, infection disease preventive, and mouth odor preventive using the oral compositionSOSIN CO LTD·Filed 2019·Application pending·0 cites
- 3846US4100389AMethod of high speed gas shielded arc weldingNIPPON KOKAN KK·Filed 1976·Granted Jul 11, 1978·7 cites·11 claims
- 3945US2018222115A1Shaping apparatus and shaping methodCANON KK·Filed 2016·Application pending·0 cites
- 4045US2004013705A1Processed meat products capable of potentiating motor enduranceFiled 2001·Application pending·0 cites
- 4145US2021223937A1Remote control device, processing device, and non-transitory computer-readable medium having recorded computer program for the processing deviceTOKAI RIKA CO LTD·Filed 2021·Application pending·0 cites
- 4242USD461494SPrinting head for printerCANON KK·Filed 2001·Granted Aug 13, 2002·4 cites·1 claims
- 4342USD461493SPrinting head for printerCANON KK·Filed 2001·Granted Aug 13, 2002·4 cites·1 claims
- 4436US2001023230A1Glass panel for cathode ray tube, cathode ray tube employing this glass panel and method for producing cathode ray tubeFiled 2001·Application pending·0 cites
- 4535US4238659APreventing magnetization of pipe blank in GMA weldingNIPPON KOKAN KK·Filed 1979·Granted Dec 9, 1980·4 cites·3 claims
- 4634US2009269449A1Method for Producing Soft Natural Intestine Casing, Soft Natural Intestine Casing, and Processed Meat ProductTAGUCHI YASUKI·Filed 2006·Application pending·0 cites
- 4733US2002081246A1Photocatalytic filterHOYA CORP·Filed 2002·Application pending·0 cites
- 4832US5696634AObjective lens for image pickup apparatus with size of image pickup surface changeable between aspect ratiosCANON KK·Filed 1995·Granted Dec 9, 1997·4 cites·6 claims
- 4930US4110589AMethod for longitudinally seam-welding pipe-blank for welded steel pipe from the inside along a grooveNIPPON KOKAN KK·Filed 1977·Granted Aug 29, 1978·2 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →