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Inventor

Hiroyuki Morikawa

Inventor
Tokyo, JP

Overview

13→
Patents
1976–2020
Patent span
Performing operations
Primary field (CPC B)

Patents· 13 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 chemistry15%
C07CAcyclic or carbocyclic compounds15%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles8%
Y10TTechnical subjects covered by former us classification8%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material4%
B23DPlaning4%
B23GThread cutting4%
B26FPerforating4%
B62DMotor vehicles4%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds4%
PatentTitleYear
10,647,201Drive assist device and drive assist method202010,543,871Drive assist device and drive assist method20208,239,542'Analog signal input/output system using network links'20127,927,460'Silver skin-containing paper and method for producing the same'20117,725,592'Communication system having service hand-off function, user terminal device, transmission destination terminal device, and proxy server device'20105,824,722'Stabilizer and resin composition containing the same'19985,258,658'Gamma correction circuit'19934,700,441'Tapping machine'19874,205,193'Process for production of isoprene cyclic trimers'19804,071,575'Process for producing 2,6-dimethyl-1,3,6-octatriene'19784,020,118'Process for producing isoprene trimers'19773,939,131'2,4-Dimethyl-4-vinyl-1-cyclohexene-2,6- or 3,6-dimethyl-1,3,6-octatriene copolymer resin'19763,932,550'Process for production of 2,6-dimethyl-1,3,6-octatriene'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to MITSUI PETROCHEMICAL IND (2)· patent assignee history
1976–1977Based in Ibaraki, JP· patent location history
1977–1980Patents assigned to MITSUBISHI PETROCHEMICAL CO (3)· patent assignee history
1978–1980Based in Amimachi, JP· patent location history
1987Patents assigned to AMADA CO LTD (1)· patent assignee history
1998Based in Hyogo, JP· patent location history
2010–2012Patents assigned to NAT INST INF & COMM TECH (2)· patent assignee history
2010–2020Based in Tokyo, JP· patent location history
2011Based in Shikokuchuo-shi, JP· patent location history
2020Patents assigned to SUBARU CORP (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI PETROCHEMICAL CO31977–1980
MITSUI PETROCHEMICAL IND21976
NAT INST INF & COMM TECH22010–2012
SUBARU CORP22020
AMADA CO LTD11987
Locations
LocationPatentsSpan
Tokyo, JP42010–2020
Amimachi, JP21978–1980
Ibaraki, JP21976–1977
Shikokuchuo-shi, JP12011
Hyogo, JP11998