Inventor

Kazuki Tsugihashi

Inventor

Kobe, JP

Overview

10→

Patents

2012–2021

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 10 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 liquids27%

F04BPositive-displacement machines for liquids14%

F01CRotary-piston or oscillating-piston machines or engines9%

F01NGas-flow silencers or exhaust apparatus for machines or engines in general9%

G10KSound-producing devices9%

F04DNon-positive-displacement pumps5%

F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g5%

F16FSprings5%

F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact5%

F28FDetails of heat-exchange and heat-transfer apparatus, of general application5%

PatentTitleYear

11,067,082Screw compressor2021 11,053,943Compressor unit2021 10,920,778Heat exchanger for gas compressor2021 10,920,779Package-type air-cooled screw compressor having a cooling air exhaust opening in the package with a duct extended downward with a lower-end inlet placed not viewable from the center position of the compressor2021 10,403,257Sound deadening device2019 10,174,655Silencer2019 10,167,868Screw compressor2019 9,121,466'Damping structure'2015 8,787,798'Photosensitive drum and vibration reduction method for same, and photosensitive drum unit'2014 8,109,361'Solid-borne sound reducing structure'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012–2021Patents assigned to KOBE STEEL LTD (10)· patent assignee history

2012–2015Patents assigned to TSUGIHASHI KAZUKI (3)· patent assignee history

2012Patents assigned to TANAKA TOSHIMITSU (1)· patent assignee history

2012–2021Based in Kobe, JP· patent location history

2015Patents assigned to MASUDA KYOKO (1)· patent assignee history

2015Patents assigned to SUGIMOTO AKIO (1)· patent assignee history

2021Based in Hyogo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KOBE STEEL LTD	10	2012–2021
TSUGIHASHI KAZUKIself	3	2012–2015
MASUDA KYOKO	1	2015
SUGIMOTO AKIO	1	2015
TANAKA TOSHIMITSU	1	2012

Locations

Location	Patents	Span
Kobe, JP	8	2012–2021
Hyogo, JP	2	2021