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Inventor

Takayuki Kuwahara

Inventor
Aichi, JP

Overview

26→
Patents
1997–2021
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 26 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

F04Cprimary
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids29%
F01CRotary-piston or oscillating-piston machines or engines16%
C23CCoating metallic material9%
A61NElectrotherapy7%
H05BElectric heating7%
H10KOrganic electric solid-state devices7%
A61BDiagnosis4%
F05CIndexing scheme relating to materials, material properties or material characteristics for machines, engines or pumps other than non-positive-displacement machines or engines4%
Y10TTechnical subjects covered by former us classification4%
A45FTravelling or camp equipment: sacks or packs carried on the body2%
PatentTitleYear
11,092,155Scroll compressor including fixed and orbiting scrolls having different heights and surface hardenings202110,844,719Scroll fluid machine including a pair of fixed scrolls and an orbiting scroll202010,766,120Method and device for manufacturing compressor scrolls, compressor scroll, and scroll compressor202010,659,005At-cut crystal element, crystal resonator and crystal unit202010,634,140Scroll compressor with step202010,590,769Scroll fluid machine202010,507,338Particle beam radiotherapy system20199,732,753'Scroll compressor with inclined surfaces on the stepped portions'20179,366,253'Scroll compressor and processing method of scroll including a projection on a tip seal and a hole in a tip seal groove'20169,216,302'Radiotherapy system and radiotherapy planning apparatus'20158,714,950'Scroll compressor having tip seals of different lengths having different thickness or widths'20148,403,655'Scroll compressor having an allowable angle of rotation'20138,313,317'Scroll fluid machine with cold forged eccentric crankshaft'20128,308,461'Scroll compressor with improved rotation prevention mechanism'20128,152,501'Scroll compressor for preventing performance deterioration and variation due to gas leakage'20128,038,421'Scroll compressor having an allowable angle of rotation'20117,905,716'Scroll compressor'20117,771,789'Method of forming mask and mask'20107,754,274'Mask and method for manufacturing the same, method for manufacturing display, method for manufacturing organic electroluminescent display, organic electroluminescent device, and electronic device'20107,658,600'Scroll compressor with thrustplate peeling prevention'20107,604,465'Fluid machine and scroll compressor having a crankshaft with a large diameter shaft section'20097,460,640'Radiotherapy monitoring apparatus'20087,268,406'Mask, mask chip, manufacturing method of mask, manufacturing method of mask chip, and electronic device'20077,074,694'Deposition mask, manufacturing method thereof, display unit, manufacturing method thereof, and electronic apparatus including display unit'20067,033,665'Precision mask for deposition and a method for manufacturing the same, an electroluminescence display and a method for manufacturing the same, and electronic equipment'20065,615,430'Medical bed system'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2006–2010Patents assigned to SEIKO EPSON CORP (5)· patent assignee history
2006–2010Based in Suwa, JP· patent location history
2008–2014Patents assigned to KUWAHARA TAKAYUKI (6)· patent assignee history
2008–2019Based in Otawara, JP· patent location history
2009–2014Patents assigned to MITSUBISHI HEAVY IND LTD (9)· patent assignee history
2009–2020Based in Kiyosu, JP· patent location history
2011–2020Based in Aichi, JP· patent location history
2012–2014Patents assigned to FUJITA KATSUHIRO (5)· patent assignee history
2016–2017Based in Tokyo, JP· patent location history
2020–2021Patents assigned to MITSUBISHI HEAVY IND THERMAL SYSTEMS LTD (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI HEAVY IND LTD92009–2014
KUWAHARA TAKAYUKIself62008–2014
FUJITA KATSUHIRO52012–2014
MITSUBISHI HEAVY IND THERMAL SYSTEMS LTD52020–2021
SEIKO EPSON CORP52006–2010
Locations
LocationPatentsSpan
Aichi, JP102011–2020
Kiyosu, JP32009–2020
Otawara, JP32008–2019
Suwa, JP32006–2010
Tokyo, JP22016–2017