Inventor · disambiguated record
Hiroki Koyama
Also filed as: KOYAMA HIROKI
15 granted patents·7 pending applications·181 citations·filing 1992–2024
92Inventor score
Top patents by PatentIndex Score
22 records- 0186US6858132B2Hydrofining catalyst and hydrofining processJAPAN ENERGY CORP·Filed 2001·Granted Feb 22, 2005·35 cites·11 claims
- 0285US7001503B1Method and apparatus for stripping sulfur-containing compounds from hydrocarbon feed stock in hydrorefining of petroleum distillatesJAPAN ENERGY CORP·Filed 2000·Granted Feb 21, 2006·39 cites·17 claims
- 0374US10858135B2Industrial control apparatus, control method, program, packaging machine, and packaging machine control apparatusOMRON TATEISI ELECTRONICS CO·Filed 2018·Granted Dec 8, 2020·1 cites·9 claims
- 0472US6780817B1Catalyst for hydrofining and method for preparation thereofJAPAN ENERGY CORP·Filed 1999·Granted Aug 24, 2004·33 cites·13 claims
- 0565US7335618B2Method for manufacturing hydrorefining catalyst, and metal recovery methodJAPAN ENERGY CORP·Filed 2002·Granted Feb 26, 2008·6 cites·10 claims
- 0665US6576119B2Method of producing middle distillate products by two-stage hydrocracking and hydrocracking apparatusJAPAN ENERGY CORP·Filed 2001·Granted Jun 10, 2003·13 cites·13 claims
- 0760US2024234173A1Substrate processing apparatus and substrate processing methodSHIBAURA MECHATRONICS CORP·Filed 2024·Application pending·0 cites
- 0859US12391497B2Medium placing device and recording apparatusSEIKO EPSON CORP·Filed 2022·Granted Aug 19, 2025·0 cites·15 claims
- 0953US5452307AData multiplexing system having at least one low-speed interface circuit connected to a busHITACHI LTD·Filed 1994·Granted Sep 19, 1995·14 cites·12 claims
- 1050US2006258531A1Method for manufacturing hydrorefining catalyst, and metal recovery methodKOYAMA HIROKI·Filed 2006·Application pending·0 cites
- 1148US11134199B2Image pickup apparatus, image display method for image pickup apparatus, and recording mediumOLYMPUS CORP·Filed 2020·Granted Sep 28, 2021·0 cites·10 claims
- 1248US7751702B2Digital cameraOLYMPUS IMAGING CORP·Filed 2006·Granted Jul 6, 2010·0 cites·4 claims
- 1348US2019143741A1Writing equipment with a scale attachedNAKANO MASAHIRO·Filed 2019·Application pending·0 cites
- 1448US2024323296A1Image scanning deviceSEIKO EPSON CORP·Filed 2024·Application pending·0 cites
- 1547US5333213AMethod and apparatus for high speed dynamic image region extractionJAPAN BROADCASTING CORP·Filed 1992·Granted Jul 26, 1994·18 cites·10 claims
- 1646US5757806AData multiplexing system having at least one low-speed interface circuit connected to a busHITACHI LTD·Filed 1997·Granted May 26, 1998·10 cites·3 claims
- 1740US10180724B2Operating terminal and operating methodOLYMPUS CORP·Filed 2015·Granted Jan 15, 2019·0 cites·11 claims
- 1839US6325919B1Catalyst support, catalyst, reactor for hydrogenation reaction, and catalytic reaction methodJAPAN ENERGY CORPORTION·Filed 1998·Granted Dec 4, 2001·12 cites·14 claims
- 1938US2020031144A1Printing deviceSEIKO EPSON CORP·Filed 2019·Application pending·0 cites
- 2037US2019181025A1Monitoring system, learning apparatus, learning method, monitoring apparatus, and monitoring methodOMRON TATEISI ELECTRONICS CO·Filed 2018·Application pending·0 cites
- 2130US2012128349A1Passive optical network system, station side apparatus and power consumption control methodMITSUNAGA DAIJI·Filed 2011·Application pending·0 cites
- 2225US9931915B2Sliding member, sunshade device provided with the sliding member and motor vehicle equipped with the sunshade deviceHOWA TEXTILE IND CO LTD·Filed 2016·Granted Apr 3, 2018·0 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →