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Inventor

Tomoaki Kawamura

Inventor
Kawasaki, JP

Overview

35→
Patents
1976–2019
Patent span
Electricity
Primary field (CPC H)

Patents· 35 as inventor

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

H04Nprimary
H04NPictorial communication, e.g. television21%
Y10TTechnical subjects covered by former us classification11%
H04LTransmission of digital information, e.g. telegraphic communication9%
F16CShafts8%
G02BOptical elements, systems or apparatus7%
H04BTransmission7%
H04QSelecting7%
F04BPositive-displacement machines for liquids4%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them4%
B21KMaking forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels3%
PatentTitleYear
10,397,133Station-side apparatus in optical transmission system and optical transmission system201910,202,298Polarizing glass plate and method for manufacturing same, polarizing glass plate set for optical isolator, and method for manufacturing optical element for optical isolator201910,193,630Station-side device and optical transmission system20199,954,617Station-side apparatus in optical transmission system, optical transmission system, and optical transmission method20189,951,855Cam follower and method for producing cam follower20189,759,952'Glass cell, liquid crystal element, glass cell manufacturing method, and liquid crystal element manufacturing method'20179,482,332'Cam follower and method for producing cam follower'20169,365,445'Method for producing phosphor-encapsulating capillary tube, phosphor-encapsulating capillary tube, wavelength-converting member, and method for producing wavelength-converting member'20169,178,616'Station-side apparatus and frame transfer apparatus'20159,112,772'OLT and frame transfer control method'20159,049,056'Communication terminal and communication system'20158,709,173'Thrust bearing component'20148,705,680'CDR circuit'20148,547,469'Electronic camera'20138,274,568'Method for image data print control, electronic camera and camera system'20127,707,723'Method of producing a roller thrust bearing having a plurality of rows of rollers'20107,671,903'Electronic camera apparatus and method in which data are recorded, transferred, and erased'20107,606,477'Electronic camera'20097,573,527'Portable device'20097,286,160'Method for image data print control, electronic camera and camera system'20077,273,319'Roller thrust bearing'20077,206,024'Electronic camera having rotatably coupled first and second body sections'20077,092,024'Electronic camera having pen input function'20067,053,936'Electronic camera and photographic information data file management method'20066,843,605'Roller thrust bearing'20056,567,120'Information processing apparatus having a photographic mode and a memo input mode'20036,522,354'Electronic camera and method of operating an electronic camera'20036,459,857'Electronic camera'20026,295,088'Portable display device'20016,163,344'Electronic camera that transfers signals to an external device'20005,953,341'Contention control circuit'19995,848,308'Finder optical system and electronic image pickup apparatus using the same'19985,630,187'Lens device and method'19973,956,584'Optical system for a television camera with a bias-light emitting device'19763,953,868'Device for recording camera data'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2010Based in Kawasaki, JP· patent location history
1976–2014Based in Kanagawa, JP· patent location history
1997–2015Patents assigned to NIKON CORP (17)· patent assignee history
1999–2019Patents assigned to NIPPON TELEGRAPH & TELEPHONE (7)· patent assignee history
2005–2018Patents assigned to NTN TOYO BEARING CO LTD (6)· patent assignee history
2005–2018Based in Iwata, JP· patent location history
2006–2015Based in Yokohama, JP· patent location history
2012–2018Patents assigned to KAWAMURA TOMOAKI (9)· patent assignee history
2015–2019Based in Tokyo, JP· patent location history
2016–2019Patents assigned to NIPPON ELECTRIC GLASS CO (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIKON CORP171997–2015
KAWAMURA TOMOAKIself92012–2018
NIPPON TELEGRAPH & TELEPHONE71999–2019
NTN TOYO BEARING CO LTD62005–2018
NIPPON ELECTRIC GLASS CO32016–2019
Locations
LocationPatentsSpan
Kawasaki, JP101976–2010
Yokohama, JP62006–2015
Tokyo, JP52015–2019
Iwata, JP52005–2018
Kanagawa, JP41976–2014