Inventor

Yasuyuki Sakai

Inventor

Tokyo, JP

Overview

25→

Patents

1976–2016

Patent span

Electricity

Primary field (CPC H)

Patents· 25 as inventor

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

A61Kprimary

A61KPreparations for medical, dental or toiletry purposes18%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1013%

G06KGraphical data reading11%

F01NGas-flow silencers or exhaust apparatus for machines or engines in general8%

C12NMicroorganisms or enzymes5%

G01NInvestigating or analysing materials by determining their chemical or physical properties5%

H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems5%

H03MCoding5%

H04LTransmission of digital information, e.g. telegraphic communication5%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds3%

PatentTitleYear

9,300,475'Signature generation by calculating a remainder modulo public information'2016 9,176,707'Arithmetic apparatus, elliptic scalar multiplication method of arithmetic apparatus, elliptic scalar multiplication program, residue operation method of arithmetic apparatus, and residue operation program'2015 8,946,889'Semiconductor module with cooling mechanism and production method thereof'2015 8,906,644'Method for culture of hepatocytes'2014 8,705,257'Switching module including a snubber circuit connected in parallel to a series-connected unit of flowing restriction elements'2014 8,659,920'Switching device provided with a flowing restriction element'2014 8,383,409'Cell culture substrate and its production method'2013 8,187,891'Methods for detection and determination of vitamin C by luminescence'2012 7,231,960'Cooler for cooling both sides of semiconductor device'2007 7,015,578'Semiconductor unit with cooling system'2006 6,395,287'Lotions containing vitamin D3 derivatives'2002 6,372,233'Lotions containing vitamin D3 derivatives'2002 5,912,905'Error-correcting encoder, error-correcting decoder and data transmitting system with error-correcting codes'1999 5,699,368'Error-correcting encoder, error-correcting decoder, and data transmitting system with error-correcting codes'1997 5,572,008'Optical information reading apparatus with concave mirror'1996 5,455,042'Ointment comprising a homogenous mixture of a polymer or copolymer of N-vinylacetamide, water and/or alcohols, and a pharmacologically active component'1995 5,344,655'External application base or auxiliary agent and external application composition for human being or animal containing the same'1994 5,291,007'Bar code scanner using a hologram disk and having detachable and adjustable optical elements'1994 5,254,338'External application base or auxiliary agent and external application composition for human being or animal containing the same'1993 5,153,417'Bar code reader using holograms'1992 5,140,141'Bar-code reader with reading zone indicator'1992 4,938,964'External dermatological composition'1990 4,096,691'Catalyst container for use in exhaust manifold'1978 4,005,576'Internal combustion engine exhaust manifold with cylindrical built-in catalyst container'1977 3,994,130'Exhaust manifold assembly with catalytic converter'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1978Based in Susono, JP· patent location history

1990–1995Patents assigned to SHOWA DENKO KK (4)· patent assignee history

1990–2016Based in Tokyo, JP· patent location history

1992–1996Patents assigned to NIPPON DENSO CO (4)· patent assignee history

1992–2014Based in Kariya, JP· patent location history

1997–2016Patents assigned to MITSUBISHI ELECTRIC CORP (4)· patent assignee history

2006–2015Patents assigned to DENSO CORP (5)· patent assignee history

2006–2007Based in Oobu, JP· patent location history

2012–2016Patents assigned to SAKAI YASUYUKI (7)· patent assignee history

2014–2015Based in Obu, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SAKAI YASUYUKIself	7	2012–2016
DENSO CORP	5	2006–2015
MITSUBISHI ELECTRIC CORP	4	1997–2016
NIPPON DENSO CO	4	1992–1996
SHOWA DENKO KK	4	1990–1995

Locations

Location	Patents	Span
Tokyo, JP	11	1990–2016
Kariya, JP	5	1992–2014
Susono, JP	3	1976–1978
Obu, JP	2	2014–2015
Oobu, JP	2	2006–2007