Inventor · disambiguated record
Ryoichi Hirayama
Also filed as: HIRAYAMA RYOICHI
10 granted patents·1 pending application·125 citations·filing 1983–2022
87Inventor score
Top patents by PatentIndex Score
11 records- 0193US6486333B1Functional alcohol releasing substanceKAO CORP·Filed 2000·Granted Nov 26, 2002·55 cites·5 claims
- 0291US11582354B2Image reading and control device, and method, for document region extraction based on edge candidate and dirt positionSEIKO EPSON CORP·Filed 2022·Granted Feb 14, 2023·3 cites·11 claims
- 0383US4559266ALaminated materials for thermoforming into food packagingIDEMITSU PETROCHEMICAL CO·Filed 1983·Granted Dec 17, 1985·48 cites·30 claims
- 0481US10897549B2Medium transport apparatus, image reading apparatus, and transport control methodSEIKO EPSON CORP·Filed 2019·Granted Jan 19, 2021·2 cites·6 claims
- 0576US11122167B2Image reading apparatus, storage medium storing abnormality determination program, and abnormality determination methodSEIKO EPSON CORP·Filed 2020·Granted Sep 14, 2021·1 cites·8 claims
- 0673US6586639B2Functional alcohol releasing substanceKAO CORP·Filed 2002·Granted Jul 1, 2003·11 cites·2 claims
- 0767US6914077B2Mite repellant and/or miticide compositionKAO CORP·Filed 2002·Granted Jul 5, 2005·5 cites·25 claims
- 0853US10988335B2Transporting apparatus, program, and control method of transporting apparatusSEIKO EPSON CORP·Filed 2018·Granted Apr 27, 2021·0 cites·15 claims
- 0951US10880449B2Image reading apparatus and image reading methodSEIKO EPSON CORP·Filed 2020·Granted Dec 29, 2020·0 cites·4 claims
- 1047US2008055668A1Image reading apparatus, image reading method, and programSEIKO EPSON CORP·Filed 2007·Application pending·0 cites
- 1125US5795891AAcylphenylglycine derivative and preventive and remedy for diseases caused by increased collagenase activity containing said compound as active ingredientKANEBO LTD·Filed 1994·Granted Aug 18, 1998·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →