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Inventor

Kouichi Tsutsumi

Inventor
Saitama, JP

Overview

5→
Patents
2001–2020
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 5 as inventor

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

F01Mprimary
F01MLubricating of machines or engines in general25%
F02BInternal-combustion piston engines25%
B28DWorking stone or stone-like materials8%
F01PCooling of machines or engines in general8%
F02FCylinders, pistons or casings, for combustion engines8%
H04JMultiplex communication8%
H04LTransmission of digital information, e.g. telegraphic communication8%
H04NPictorial communication, e.g. television8%
PatentTitleYear
10,715,642Interface device and receiver including the same20206,945,339'Core drill'20056,343,584'Lubrication structure for 4-cycle engine'20026,205,971'Crankshaft rotation structure for four cycle engine'20016,202,621'Four-cycle engine lubrication structure'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2002Patents assigned to HONDA MOTOR CO LTD (3)· patent assignee history
2001–2002Based in Saitama, JP· patent location history
2005Patents assigned to MAX CO LTD (1)· patent assignee history
2005Based in Tokyo, JP· patent location history
2020Patents assigned to SOCIONEXT INC (1)· patent assignee history
2020Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HONDA MOTOR CO LTD32001–2002
MAX CO LTD12005
SOCIONEXT INC12020
Locations
LocationPatentsSpan
Saitama, JP32001–2002
Osaka, JP12020
Tokyo, JP12005