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Inventor

Yoshitomo Tsuka

Inventor
Osaka, JP

Overview

8→
Patents
2014–2021
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 8 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 liquids89%
F04BPositive-displacement machines for liquids11%
PatentTitleYear
11,022,121Scroll compressor202110,989,196Compressor having muffler function202110,876,532Compressor with pulsation attenuation space disposed in injection passage20209,903,368'Scroll compressor'20189,903,370'Scroll compressor with reduced upsetting moment'20189,133,843'Scroll compressor having first and second oil grooves formed in fixed and orbiting scroll that are communicable'20159,127,669'Scroll compressor with reduced upsetting moment'20158,651,842'Scroll compressor with opening/closing mechanism for the back pressure space'2014

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2014–2021Patents assigned to DAIKIN IND LTD (8)· patent assignee history
2014–2015Patents assigned to NISHIDE YOUHEI (3)· patent assignee history
2014–2015Patents assigned to TSUKA YOSHITOMO (3)· patent assignee history
2014–2015Patents assigned to YAMAMOTO MASATERU (2)· patent assignee history
2014–2020Based in Sakai, JP· patent location history
2015–2021Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DAIKIN IND LTD82014–2021
NISHIDE YOUHEI32014–2015
TSUKA YOSHITOMOself32014–2015
YAMAMOTO MASATERU22014–2015
Locations
LocationPatentsSpan
Osaka, JP42015–2021
Sakai, JP42014–2020