Inventor
Tomohiro Koyama
Inventor
Tokyo, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F04Bprimary
F04BPositive-displacement machines for liquids13%
F25BRefrigeration machines, plants or systems13%
H02KDynamo-electric machines13%
B22CFoundry moulding6%
B22DCasting of metals6%
C03CChemical composition of glasses, glazes or vitreous enamels6%
C04BLime, magnesia6%
C22CAlloys6%
C30BSingle-crystal growth6%
F04DNon-positive-displacement pumps6%
PatentTitleYear
9,498,818'Casting mold and cast article produced using the same'20168,800,304'Cryopump control apparatus, cryopump system, and method for monitoring cryopump'20148,625,197'Optical isolator'20148,336,318'Cryopump and method for diagnosing the cryopump'20128,053,946'Coreless 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 semiconductor'20117,719,160'Coreless 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 semiconductor'20107,308,797'Cryogenic refrigerator'20076,991,366'Thermal conductivity measurement method and instrument and method of producing a heat insulating material'2006Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2006Patents assigned to EKO INSTRUMENTS TRADING (1)· patent assignee history
2006Based in Asahi-mura, JP· patent location history
2007–2014Patents assigned to SUMITOMO HEAVY INDUSTRIES (5)· patent assignee history
2007Patents assigned to HIGH ENERGY ACCELERATOR RES (1)· patent assignee history
2007–2014Based in Tokyo, JP· patent location history
2012–2016Patents assigned to KOYAMA TOMOHIRO (4)· patent assignee history
2014Based in Chitose, JP· patent location history
2016Patents assigned to FURUKAWA YUICHI (1)· patent assignee history
2016Based in Toyota, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SUMITOMO HEAVY INDUSTRIES | 5 | 2007–2014 |
| KOYAMA TOMOHIROself | 4 | 2012–2016 |
| EKO INSTRUMENTS TRADING | 1 | 2006 |
| FURUKAWA YUICHI | 1 | 2016 |
| HIGH ENERGY ACCELERATOR RES | 1 | 2007 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 5 | 2007–2014 |
| Toyota, JP | 1 | 2016 |
| Chitose, JP | 1 | 2014 |
| Asahi-mura, JP | 1 | 2006 |