Inventor

Tomoyuki Hirose

Inventor
Tokyo, JP

Overview

23→
Patents
1990–2017
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 23 as inventor

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

B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry14%
F02BInternal-combustion piston engines14%
F02DControlling combustion engines14%
C01BNon-metallic elements11%
G09BEducational or demonstration appliances7%
B01DSeparation4%
B29CShaping or joining of plastics4%
F02PIgnition, other than compression ignition, for internal-combustion engines4%
F16HGearing4%
F16LPipes4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1998Patents assigned to SHARP KK (9)· patent assignee history
1990–1998Based in Osaka, JP· patent location history
1991–1993Patents assigned to JAPAN ELECTRONIC CONTROL SYST (5)· patent assignee history
1991–1993Patents assigned to FUJI HEAVY IND LTD (2)· patent assignee history
1991–1993Based in Isesaki, JP· patent location history
1993–1995Based in Mie, JP· patent location history
2000–2001Patents assigned to YAMAHA CORP (2)· patent assignee history
2000–2017Based in Tokyo, JP· patent location history
2008Based in Kitami, JP· patent location history
2016–2017Patents assigned to SUMITOMO METAL MINING CO (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHARP KK91990–1998
JAPAN ELECTRONIC CONTROL SYST51991–1993
SUMITOMO METAL MINING CO42016–2017
FUJI HEAVY IND LTD21991–1993
YAMAHA CORP22000–2001
Locations
LocationPatentsSpan
Tokyo, JP62000–2017
Osaka, JP51990–1998
Mie, JP41993–1995
Isesaki, JP41991–1993
Kitami, JP12008