Inventor · disambiguated record
Tomohiro Koyama
Also filed as: KOYAMA TOMOHIRO
8 granted patents·2 pending applications·65 citations·filing 2001–2023
85Inventor score
Files withKOYAMA TOMOHIRO3SUMITOMO HEAVY INDUSTRIES3EKO INSTRUMENTS TRADING1MAKIKAWA SHINJI1TOYOTA MOTOR CO LTD1
Top patents by PatentIndex Score
10 records- 0192US8053946B2Coreless and brushless direct-current motor, Gifford McMahon (GM) cryogenic cooler, pulse tube cryogenic cooler, cryopump, magnetic resonance imaging (MRI) apparatus, superconducting magnet (SCM) apparatus, nuclear magnetic resonance (NMR) apparatus, and cryogenic cooler for cooling semiconductorSUMITOMO HEAVY INDUSTRIES·Filed 2009·Granted Nov 8, 2011·22 cites·15 claims
- 0288US8625197B2Optical isolatorMAKIKAWA SHINJI·Filed 2011·Granted Jan 7, 2014·5 cites·4 claims
- 0378US6991366B2Thermal conductivity measurement method and instrument and method of producing a heat insulating materialEKO INSTRUMENTS TRADING·Filed 2001·Granted Jan 31, 2006·23 cites·11 claims
- 0474US8800304B2Cryopump control apparatus, cryopump system, and method for monitoring cryopumpKOYAMA TOMOHIRO·Filed 2012·Granted Aug 12, 2014·3 cites·7 claims
- 0573US8336318B2Cryopump and method for diagnosing the cryopumpKOYAMA TOMOHIRO·Filed 2009·Granted Dec 25, 2012·4 cites·9 claims
- 0673US7719160B2Coreless and brushless direct-current motor, Gifford McMahon (GM) cryogenic cooler, pulse tube cryogenic cooler, cryopump, Magnetic Resonance Imaging (MRI) apparatus, Superconducting Magnet (SCM) apparatus, Nuclear Magnetic Resonance (NMR) apparatus, and cryogenic cooler for cooling semiconductorSUMITOMO HEAVY INDUSTRIES·Filed 2006·Granted May 18, 2010·6 cites·2 claims
- 0756US9498818B2Casting mold and cast article produced using the sameKOYAMA TOMOHIRO·Filed 2013·Granted Nov 22, 2016·0 cites·7 claims
- 0855US2023286039A1Die casting machine and airtight inspection methodTOYOTA MOTOR CO LTD·Filed 2023·Application pending·0 cites
- 0937US7308797B2Cryogenic refrigeratorSUMITOMO HEAVY INDUSTRIES·Filed 2004·Granted Dec 18, 2007·2 cites·8 claims
- 1021US2004040315A1High and low pressure gas selector valve of refrigeratorFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →