Inventor

Yasushi Sakai

Inventor
Nagano, JP

Overview

55→
Patents
1987–2020
Patent span
Physics
Primary field (CPC G)

Patents· 55 as inventor

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

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer28%
A61KPreparations for medical, dental or toiletry purposes8%
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for7%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations7%
G02CSpectacles7%
Y10TTechnical subjects covered by former us classification7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
A23VIndexing scheme relating to foods, foodstuffs or non-alcoholic beverages and lactic or propionic acid bacteria used in foodstuffs or food preparation3%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds3%
H04LTransmission of digital information, e.g. telegraphic communication3%
PatentTitleYear
10,776,919X-ray diagnostic apparatus and image processing apparatus to specify a position of a pathological abnormality candidate20209,918,951'Method for improving storage stability of glutathione'20189,492,494'Oral composition'20169,375,479'Citrulline containing beverage'20169,028,984'Perpendicular magnetic recording medium'20158,859,807'Glutathione preparation and method for production thereof'20148,679,568'Citrulline-containing beverage'20148,475,947'Perpendicular magnetic recording medium'20138,329,321'Perpendicular magnetic recording medium'20128,256,893'Holding structures for spectacle lenses, spectacles, and method of manufacturing spectacles'20128,252,152'Perpendicular magnetic recording medium and method of manufacturing the same and product thereof'20128,197,891'Perpendicular magnetic recording medium and method for manufacturing same'20128,105,707'Perpendicular magnetic recording medium'20128,095,703'Data transfer method'20127,993,764'Perpendicular magnetic recording medium and the method of manufacturing the same'20117,846,902'Dipeptide-comprising composition for oral administration'20107,781,080'Perpendicular magnetic recording medium'2010RE041282'Perpendicular magnetic recording medium and a method of manufacturing the same'20107,635,498'Fabrication method for perpendicular magnetic recording media'20097,592,080'Perpendicular magnetic recording medium'20097,521,079'Process for producing an extract of Hydrangea containing plant powder'20097,494,726'Perpendicular magnetic recording medium, method of manufacturing same, and magnetic recording device'20097,407,685'Magnetic recording medium and the method of manufacturing the same'20087,404,635'Holding structure of spectacle lens, repair method for the same, and spectacles'20087,361,419'Substrate for a perpendicular magnetic recording medium, perpendicular magnetic recording medium, and manufacturing methods thereof'20087,332,522'Liver function protecting or ameliorating agent'20087,332,194'Perpendicular magnetic recording medium and method of manufacturing thereof'20087,311,983'Perpendicular magnetic recording medium and a method for manufacturing the same'20077,249,844'Holding structure of spectacle lens, repair method for the same, and spectacles'20077,150,895'Method of producing a magnetic recording medium and a magnetic recording medium formed thereby'20067,147,942'Perpendicular magnetic recording medium and method of manufacturing the same and product thereof'20067,067,206'Perpendicular magnetic recording medium and a method of manufacturing the same'20067,045,225'Perpendicular magnetic recording medium and manufacturing method thereof'20067,042,849'Method and device for controlling data transmission'20066,913,837'Perpendicular magnetic recording medium and fabrication method thereof'20056,863,951'Film key sheet and method of manufacturing the same'20056,858,320'Perpendicular magnetic recording medium'20056,794,028'Perpendicular magnetic recording medium and a method of manufacturing the same'20046,787,252'Perpendicular magnetic recording medium'20046,784,419'Electromagnetic wave absorber'20046,764,721'Manufacturing method for a perpendicular magnetic recording medium'20046,736,506'Eyeglasses made-to-order system'20046,732,262'Method and system for controlling reset of IEEE 1394 network'20046,706,318'Method of manufacturing a perpendicular magnetic recording medium'20046,667,117'Perpendicular magnetic recording medium and a manufacturing method for the same'20036,665,810'Interface controller that controls the rate at which data is transfer based on the destination address of the data'20036,572,451'Spectacle lens machining method and apparatus'20036,533,418'System for making spectacles to order'20036,340,226'Spectacles accommodating interchangeable/replaceable lens'20025,719,179'Compound GEX1'19985,665,703'GE3 compound'19974,870,146'Process for producing a light color high softening point hydrocarbon resin'19894,857,617'Process for producing a high softening point hydrocarbon resin'19894,684,711'Process for producing a hydrocarbon resin'19874,680,349'Method of polymerizing vinyl monomers with coated reactor'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1989Based in Yokkaichi, JP· patent location history
2002–2012Patents assigned to HOYA CORP (7)· patent assignee history
2002–2012Based in Tokyo, JP· patent location history
2003–2015Patents assigned to FUJI ELECTRIC CO LTD (16)· patent assignee history
2003–2015Based in Nagano, JP· patent location history
2003–2012Based in Kasugai, JP· patent location history
2006–2011Patents assigned to FUJI ELEC DEVICE TECH CO LTD (11)· patent assignee history
2008–2018Based in Tsukuba, JP· patent location history
2010–2018Patents assigned to KYOWA HAKKO BIO CO LTD (6)· patent assignee history
2012–2018Patents assigned to SAKAI YASUSHI (12)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJI ELECTRIC CO LTD162003–2015
SAKAI YASUSHIself122012–2018
FUJI ELEC DEVICE TECH CO LTD112006–2011
HOYA CORP72002–2012
KYOWA HAKKO BIO CO LTD62010–2018
Locations
LocationPatentsSpan
Nagano, JP262003–2015
Tsukuba, JP72008–2018
Tokyo, JP62002–2012
Kasugai, JP42003–2012
Yokkaichi, JP41987–1989