Inventor · disambiguated record
Akio Hayashi
Also filed as: HAYASHI AKIO
42 granted patents·10 pending applications·497 citations·filing 1985–2024
98Inventor score
Files withNIHON MEDIPHYSICS CO LTD11NOF CORP8ONO PHARMACEUTICAL CO6NIPPON UNICAR CO LTD5MITSUBISHI CHEM CORP3
Top patents by PatentIndex Score
52 records- 0195US6232377B1Flame retardant compositionNIPPON UNICAR CO LTD·Filed 2000·Granted May 15, 2001·78 cites·10 claims
- 0291US8460886B2Use of an efficacy marker for optimizing therapeutic efficacy of an anti-human PD-1 antibody on cancersSHIBAYAMA SHIRO·Filed 2009·Granted Jun 11, 2013·37 cites·18 claims
- 0391US7910745B2Organic compound and method for producing radioactive halogen-labeled organic compound using the sameNIHON MEDIPHYSICS CO LTD·Filed 2006·Granted Mar 22, 2011·10 cites·16 claims
- 0490US7897811B2Process for production of radioactive fluorine-labeled organic compoundNIHON MEDIPHYSICS CO LTD·Filed 2007·Granted Mar 1, 2011·6 cites·5 claims
- 0588US8343459B2Method for production of radiation diagnostic imaging agentNIHON MEDIPHYSICS CO LTD·Filed 2008·Granted Jan 1, 2013·7 cites·5 claims
- 0687US6503632B1Polydialkylsiloxane/polyamide copolymer, process for producing the same, and various materialsNOF CORP·Filed 1999·Granted Jan 7, 2003·60 cites·39 claims
- 0786US10010632B2Precursor compound of radioactive halogen-labeled organic compoundNIHON MEDIPHYSICS CO LTD·Filed 2015·Granted Jul 3, 2018·2 cites·2 claims
- 0886US5889087AFlame retardant cableNIPPON UNICAR CO LTD·Filed 1997·Granted Mar 30, 1999·71 cites·8 claims
- 0981US9381259B2Precursor compound of radioactive halogen-labeled organic compoundNIHON MEDIPHYSICS CO LTD·Filed 2014·Granted Jul 5, 2016·1 cites·4 claims
- 1080US8758724B2Unnatural amino acid radiolabeling precursorITO OSAMU·Filed 2006·Granted Jun 24, 2014·2 cites·2 claims
- 1179US8277777B2Compound having affinity for amyloidTANIFUJI SHIGEYUKI·Filed 2007·Granted Oct 2, 2012·2 cites·12 claims
- 1278US6706260B1Wound-covering preparation, wound-covering material, and method of wound healingNOF CORP·Filed 1999·Granted Mar 16, 2004·33 cites·15 claims
- 1377US6387414B1Method for preparing hydroxyapatite composite and biocompatible materialNOF CORP·Filed 1999·Granted May 14, 2002·40 cites·12 claims
- 1477US2025018378A1Catalyst, method for preparing catalyst, and method for producing unsaturated carboxylic acid and/or unsaturated carboxylic acid esterMITSUBISHI CHEM CORP·Filed 2024·Application pending·0 cites
- 1576US9387266B2Precursor compound of radioactive halogen-labeled organic compoundNIHON MEDIPHYSICS CO LTD·Filed 2015·Granted Jul 12, 2016·1 cites·5 claims
- 1676US8269035B2Process for production of radioactive-fluorine-labeled organic compoundKUROSAKI FUMIE·Filed 2008·Granted Sep 18, 2012·4 cites·13 claims
- 1776US2024368223A1SITE-SPECIFIC RADIOISOTOPE-LABELED ANTIBODY USING IgG-BINDING PEPTIDEUNIV KAGOSHIMA·Filed 2024·Application pending·0 cites
- 1876US2021386873A1Precursor compound of radioactive halogen-labeled organic compoundNIHON MEDIPHYSICS CO LTD·Filed 2021·Application pending·0 cites
- 1975US12037417B2Site-specific radioisotope-labeled antibody using IgG-binding peptideUNIV KAGOSHIMA·Filed 2017·Granted Jul 16, 2024·1 cites·7 claims
- 2074US11083804B2Precursor compound of radioactive halogen-labeled organic compoundNIHON MEDIPHYSICS CO LTD·Filed 2018·Granted Aug 10, 2021·0 cites·10 claims
- 2174US10953112B2Precursor compound of radioactive halogen-labeled organic compoundNIHON MEDIPHYSICS CO LTD·Filed 2020·Granted Mar 23, 2021·0 cites·4 claims
- 2274US8790620B2Radioactive diagnostic imaging agentHAYASHI AKIO·Filed 2007·Granted Jul 29, 2014·4 cites·11 claims
- 2372US7700792B2Highly active lysophosphatidic acid and method of screening therewithONO PHARMACEUTICAL CO·Filed 2004·Granted Apr 20, 2010·8 cites·17 claims
- 2471US8658132B2Method for production of radiation diagnostic imaging agentNAKAMURA DAISAKU·Filed 2012·Granted Feb 25, 2014·1 cites·5 claims
- 2570US12102981B2Catalyst, method for preparing catalyst, and method for producing unsaturated carboxylic acid and/or unsaturated carboxylic acid esterMITSUBISHI CHEM CORP·Filed 2021·Granted Oct 1, 2024·0 cites·19 claims
- 2667US5981786AProcess for producing (meth)acrylate derivativesNOF CORP·Filed 1998·Granted Nov 9, 1999·13 cites·6 claims
- 2766US6566516B1High purity polysaccharide containing a hydrophobic group and process for producing itNOF CORP·Filed 1999·Granted May 20, 2003·21 cites·18 claims
- 2865US7045115B2Drugs for the diagnosis of tissue-reproductive activity or the treatment of proliferative diseasesNIHON MEDIPHYSICS CO LTD·Filed 2002·Granted May 16, 2006·4 cites·6 claims
- 2965US2024116031A1Catalyst, Method for Producing Catalyst, and Method for Producing Unsaturated Carboxylic Acid and/or Unsaturated Carboxylic Acid EsterMITSUBISHI CHEM CORP·Filed 2023·Application pending·0 cites
- 3064US8563771B2Process for production of precursor compound for radioactive halogen-labeled organic compoundTOYAMA MASAHITO·Filed 2007·Granted Oct 22, 2013·4 cites·9 claims
- 3163US5723558AFumaric acid derivative and polymer therefromNOF CORP·Filed 1995·Granted Mar 3, 1998·18 cites·4 claims
- 3258US5470956AAntibodies for mevalonic acid and methods for immunological determination of mevalonic acid by using themONO PHARMACEUTICAL CO·Filed 1994·Granted Nov 28, 1995·12 cites·10 claims
- 3357US2010056826A1Radioactive diagnostic imaging agentNIHON MEDI PHYSICIS CO LTD·Filed 2007·Application pending·0 cites
- 3456US6441131B1Peptides, method for assaying human pepsinogen II or human pepsin II, and assaying kitONO PHARMACEUTICAL CO·Filed 1998·Granted Aug 27, 2002·9 cites·11 claims
- 3551US7118731B2Drugs for the diagnosis of tissue reproductive activity or the treatment of proliferative diseasesNIHON MEDIPHYSICS CO LTD·Filed 2004·Granted Oct 10, 2006·0 cites·9 claims
- 3648US2002127262A1Method for preparing hydroxyapatite composite and biocompatible materialNOF CORP AND MITSURU AKASHI·Filed 2002·Application pending·0 cites
- 3747US2009226884A1Method of Quantitative Analysis of Oxidized Protein, Labeling Reagents for Quantitative Analysis of Oxidized Protein and Labeling Reagent kit for Quantitative Analysis of Oxidized ProteinJAPAN ADV INST SCIENCE & TECH·Filed 2007·Application pending·0 cites
- 3846US8110660B2Soluble ENPP4 proteinTADA HIDEAKI·Filed 2005·Granted Feb 7, 2012·0 cites·2 claims
- 3946US4648986ACompositions based on mixtures of ethylene-ethyl acrylate copolymers and ethylene-vinyl acetate-vinyl chloride terpolymersUNION CARBIDE CORP·Filed 1986·Granted Mar 10, 1987·7 cites·8 claims
- 4045US2002099019A1Peptides, methods for assaying human pepsinogen I or human pepsin I and assay kitsFiled 2001·Application pending·0 cites
- 4145US2002143160A1High purity polysaccharide containing hydrophobic group and process for producing itNOF CORP·Filed 2002·Application pending·0 cites
- 4244US6395037B1Hydroxyapatite, composite, processes for producing these, and use of theseNOF CORP·Filed 1998·Granted May 28, 2002·21 cites·4 claims
- 4344US5591648AAntibodies for mevalonic acid and methods for immunological determination of mevalonic acid by using themONO PHARMACEUTICAL CO·Filed 1995·Granted Jan 7, 1997·3 cites·11 claims
- 4437US6407206B1Peptides, methods for assaying human pepsinogen I or human pepsin I and assay kitsONO PHARMACEUTICAL CO·Filed 1997·Granted Jun 18, 2002·5 cites·5 claims
- 4536US2012142072A1Soluble protein and utilization of the sameTADA HIDEAKI·Filed 2011·Application pending·0 cites
- 4635US4598127ACompositions based on mixtures of ethylene-ethyl acrylate copolymers and ethylene-vinyl acetate-vinyl chloride terpolymersUNION CARBIDE CORP·Filed 1985·Granted Jul 1, 1986·4 cites·4 claims
- 4733US5143960AModified ethylene copolymerNIPPON UNICAR CO LTD·Filed 1989·Granted Sep 1, 1992·2 cites·9 claims
- 4832US5045239ANon-linear optical materialNIPPON OILS & FATS CO LTD·Filed 1988·Granted Sep 3, 1991·3 cites·4 claims
- 4930US5110988ANonlinear optical materialSUMITOMO BAKELITE CO·Filed 1989·Granted May 5, 1992·1 cites·2 claims
- 5029US5260363AOrganopolysiloxane/olefin copolymersNIPPON UNICAR CO LTD·Filed 1989·Granted Nov 9, 1993·1 cites·10 claims
Showing the top 50 of 52 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Akio Hayashi files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →