Inventor

Akihiko Morikawa

Inventor

Tokyo, JP

Overview

25→

Patents

1989–2021

Patent span

Chemistry

Primary field (CPC C)

Patents· 25 as inventor

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

C08Lprimary

C08LCompositions of macromolecular compounds23%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds7%

Y10TTechnical subjects covered by former us classification5%

B29CShaping or joining of plastics4%

B60CVehicle tyres4%

C08JWorking-up4%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients4%

F04DNon-positive-displacement pumps4%

F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants4%

G05BControl or regulating systems in general4%

PatentTitleYear

10,982,548Impeller, rotary machine, method for manufacturing impeller, and method for manufacturing rotary machine2021 10,821,520Production method for impeller2020 10,174,453Sizing agent, composition, and formed article2019 10,075,036Rotor for rotary electric machine having ridge-shaped convex portions and concave portions to secure a press-fitted shaft2018 9,866,008'Apparatus for controlling power source'2018 9,547,305'Drive control apparatus'2017 8,969,789'Rotary encoder and method of detecting abnormality of rotary encoder'2015 7,909,130'Electric power steering apparatus'2011 7,867,416'Thermoplastic elastomer composition for core-back system foam injection molding and foam injection molding method using the same'2011 7,300,980'Thermoplastic elastomer composition and process for producing the same'2007 7,163,983'Olefinic thermoplastic elastomer sheet, process for production thereof, and laminates'2007 7,077,986'Method for formation of polymer'2006 6,982,302'Molding for automobile'2006 D0509452'Temperature sensor'2005 D0509152'Temperature sensor'2005 6,841,582'Thermoplastic elastomer composition, foam made from the same, and process for producing foam'2005 6,696,516'Thermoplastic elastomer composition'2004 6,670,426'Olefinic thermoplastic elastomer, process for production thereof, olefinic thermoplastic elastomer compositions, process for producing the same, and moldings thereof'2003 5,914,372'Ethylene copolymer rubber composition'1999 5,691,413'Ethylene-.alpha.-olefin-non-conjugated diene copolymer rubber composition'1997 5,677,382'Ethylene-.alpha.-olefin-non-conjugated diene copolymer rubber composition'1997 5,542,304'Magnetostrictive torque sensor, magnetostrictive torque measuring apparatus, and condition-monitoring apparatus for a cutting tool using the same'1996 5,159,014'Thermoplastic elastomer composition and rubber parts of refrigerator having a layer composed of thermoplastic elastomer composition'1992 5,011,888'Vulcanized rubber composition'1991 4,835,216'Conjugated diene series rubber compositions'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1991Patents assigned to BRIDGESTONE CORP (2)· patent assignee history

1991–1997Patents assigned to JAPAN SYNTHETIC RUBBER CO LTD (4)· patent assignee history

1992–2006Based in Yokkaichi, JP· patent location history

1996–2018Patents assigned to OMRON TATEISI ELECTRONICS CO (4)· patent assignee history

1996–2018Based in Kyoto, JP· patent location history

1999–2019Patents assigned to JSR CORP (10)· patent assignee history

2003–2007Based in Tokyo, JP· patent location history

2005–2018Patents assigned to MITSUBISHI ELECTRIC CORP (4)· patent assignee history

2011–2018Based in Chiyoda-ku, JP· patent location history

2020–2021Based in Hiroshima, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
JSR CORP	10	1999–2019
JAPAN SYNTHETIC RUBBER CO LTD	4	1991–1997
MITSUBISHI ELECTRIC CORP	4	2005–2018
OMRON TATEISI ELECTRONICS CO	4	1996–2018
BRIDGESTONE CORP	2	1989–1991

Locations

Location	Patents	Span
Tokyo, JP	7	2003–2007
Yokkaichi, JP	5	1992–2006
Kyoto, JP	4	1996–2018
Hiroshima, JP	2	2020–2021
Chiyoda-ku, JP	2	2011–2018