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Inventor

Shuji Yamaguchi

Inventor
Tokyo, JP

Overview

26→
Patents
1991–2019
Patent span
Electricity
Primary field (CPC H)

Patents· 26 as inventor

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

C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds17%
B01DSeparation10%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry10%
H04MTelephonic communication7%
H04NPictorial communication, e.g. television7%
G06FElectric digital data processing5%
G09GArrangements or circuits for control of indicating devices using static means to present variable information5%
H04LTransmission of digital information, e.g. telegraphic communication5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
Y10TTechnical subjects covered by former us classification5%
PatentTitleYear
10,341,114Providing device, terminal device, providing method, non-transitory computer readable storage medium, and authentication processing system201910,325,252Payment management apparatus, payment management method, and storage medium201910,116,449Generation device, terminal device, generation method, non-transitory computer readable storage medium, and authentication processing system20188,698,786'Driving circuit and driving method for display device'20148,646,436'Fuel pump attachment structure'20147,626,630'Portable information terminal equipped with camera'20097,265,738'Method and apparatus for driving electro-luminescence display panel designed to perform efficient booting'20077,204,962'Production apparatus for polybutylene terephthalate'20077,179,433'Production process and production apparatus for polybutylene terephthalate'20077,167,195'Picture-phone device providing means for guiding operator\'s line of sight to specific direction therein'20077,057,007'Process for continuously producing polybutylene terephthalate'20067,046,287'Portable information terminal equipped with camera'20066,723,826'Production process and production apparatus for polybutylene terephthalate'20046,590,062'Production process and production apparatus for polybutylene terephthalate'20036,458,916'Production process and production apparatus for polybutylene terephthalate'20026,359,106'Production process and production apparatus for polybutylene terephthalate'20026,136,183'Relief valve for filter device'20006,070,740'Protector for holding filter medium'20005,670,952'Data communication unit'1997D0377018'Pager'19965,343,136'Charger for charging a rechargeable battery'19945,111,499'Cordless telephone apparatus having a ringer circuit operable during power failure'19925,051,161'Apparatus producing continuously electrolyzed water'19915,049,326'Filter element and manufacture method thereof'19915,027,296'Length measuring apparatus'19915,002,666'Filter element and manufacture method thereof'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to NIPPON DENSO CO (2)· patent assignee history
1991–2014Based in Toyokawa, JP· patent location history
1994–2019Based in Tokyo, JP· patent location history
1996–2007Patents assigned to NEC CORP (3)· patent assignee history
1997Based in Kawasaki, JP· patent location history
2000Patents assigned to DENSO CORP (2)· patent assignee history
2002–2007Patents assigned to HITACHI LTD (7)· patent assignee history
2002–2007Based in Tokuyama, JP· patent location history
2007–2014Based in Kanagawa, JP· patent location history
2018–2019Patents assigned to YAHOO JAPAN CORP (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD72002–2007
NEC CORP31996–2007
YAHOO JAPAN CORP32018–2019
DENSO CORP22000
NIPPON DENSO CO21991
Locations
LocationPatentsSpan
Tokyo, JP81994–2019
Tokuyama, JP72002–2007
Toyokawa, JP51991–2014
Kanagawa, JP22007–2014
Kawasaki, JP11997