Inventor

Yujiro Watanabe

Inventor
Tokyo, JP

Overview

12→
Patents
1991–2020
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 12 as inventor

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

F04Dprimary
F04DNon-positive-displacement pumps15%
B23KSoldering or unsoldering12%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants12%
B23PMetal-working not otherwise provided for7%
C21DModifying the physical structure of ferrous metals7%
F01DNon-positive displacement machines or engines, e.g. steam turbines7%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material5%
C22CAlloys5%
C23CCoating metallic material5%
Y10TTechnical subjects covered by former us classification5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1992Patents assigned to AISIN SEIKI (2)· patent assignee history
1991–1992Based in Nagoya, JP· patent location history
2012–2018Patents assigned to WATANABE YUJIRO (5)· patent assignee history
2012Based in Tama, JP· patent location history
2013–2018Patents assigned to MITSUBISHI HEAVY IND LTD (5)· patent assignee history
2013–2014Patents assigned to MIYAGAWA KAZUYOSHI (2)· patent assignee history
2013–2020Based in Hiroshima, JP· patent location history
2017–2019Patents assigned to MITSUBISHI HEAVY IND COMPRESSOR CORP (3)· patent assignee history
2017–2019Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI HEAVY IND LTD52013–2018
WATANABE YUJIROself52012–2018
MITSUBISHI HEAVY IND COMPRESSOR CORP32017–2019
AISIN SEIKI21991–1992
MIYAGAWA KAZUYOSHI22013–2014
Locations
LocationPatentsSpan
Tokyo, JP52017–2019
Hiroshima, JP42013–2020
Nagoya, JP21991–1992
Tama, JP12012