Inventor

Tetsuya Nishi

Inventor
Kawasaki, JP

Overview

42→
Patents
1995–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 42 as inventor

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

H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication21%
H04QSelecting18%
H04JMultiplex communication13%
G02BOptical elements, systems or apparatus6%
B41MPrinting, duplicating, marking, or copying processes5%
D21HPulp compositions3%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein3%
G06FElectric digital data processing3%
F21VFunctional features or details of lighting devices or systems thereof2%
Y10TTechnical subjects covered by former us classification2%
PatentTitleYear
10,981,465System, and method for swapping self driving energy module for an energy management system202110,612,740Light-emitting device, illumination apparatus, and moving body202010,274,138Lighting device and lighting system20199,889,696'Coated paper for industrial inkjet printing presses and method of producing the same'20189,789,722'Printing coated paper and method for producing a printed material using the same'20179,787,533'Obstruction determination device'20179,731,497'Printing paper and method for producing printed material'20179,244,789'Apparatus and method for specifying a failure part in a communication network'20169,137,305'Information processing device, computer-readable recording medium, and control method'20159,033,448'Lightweight coated paper and print production method using the same'20158,990,611'Communication system and generating apparatus'20158,750,136'Monitoring apparatus and monitoring method'20148,743,704'Monitoring apparatus, monitoring method, and monitoring program'20148,542,601'Abnormality locating method and apparatus, and computer-readable storage medium'20138,483,054'Communication path estimation method, non-transitory computer-readable recording medium, and monitoring apparatus'20138,274,898'Communication route presumption technique'20128,081,580'Network verification system'20118,064,466'Method for specifying input edge router'20118,054,755'Measurement managing apparatus and communication system'20117,821,952'Loop locating apparatus and loop locating method in layer 3 network'20107,693,092'Multicast tree monitoring method and system in IP network'20107,496,055'Layer 2 loop detection system'20097,287,065'Data distribution system and network cache apparatus, data distribution server, and access server used for the same'20077,171,119'Optical path cross-connect system with high expanding characteristic'20077,146,102'Optical cross-connect device'20067,043,158'Optical path crossconnect system with high expanding characteristic'20066,842,554'Optical cross-connect device and optical network'20056,792,176'Optical switch expanding method, optical switch, and optical crossconnecting apparatus'20046,768,573'Polarization control optical space switch'20046,741,811'Optical cross-connect device and system having the device'20046,708,000'Photonic node, photonic nodes for transmission and reception, and method of restoring traffic upon occurrence of link failure in optical path network'20046,643,422'Optical switch changeover controlling method, optical node device and optical switch system'20036,496,289'Optical exchanger'20026,433,900'Optical wavelength multiplexing system having a redundant configuration'20026,285,473'Polarization control optical space switch'20016,154,583'Optical switch'20006,134,031'Polarization control optical space switch'20006,072,610'Optical transmission system'20005,974,458'Data transfer accounting device and method for performing an accounting process including an accounting information collecting process'19995,949,757'Packet flow monitor and control system'19995,561,002'Electrode for alkaline storage battery and method of manufacturing'19965,458,664'Particulate trap for purifying diesel engine exhaust'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–1996Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (2)· patent assignee history
1999–2017Patents assigned to FUJITSU LTD (33)· patent assignee history
1999–2002Based in Kanagawa, JP· patent location history
2000–2017Based in Kawasaki, JP· patent location history
2011–2015Patents assigned to NISHI TETSUYA (8)· patent assignee history
2015–2018Patents assigned to MITSUBISHI PAPER MILLS LTD (4)· patent assignee history
2015–2018Based in Tokyo, JP· patent location history
2019–2020Patents assigned to PANASONIC IP MAN CO LTD (2)· patent assignee history
2019–2020Based in Osaka, JP· patent location history
2021Based in Ann Arbor, MI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJITSU LTD331999–2017
NISHI TETSUYAself82011–2015
MITSUBISHI PAPER MILLS LTD42015–2018
PANASONIC IP MAN CO LTD22019–2020
SUMITOMO ELECTRIC INDUSTRIES21995–1996
Locations
LocationPatentsSpan
Kawasaki, JP282000–2017
Kanagawa, JP51999–2002
Tokyo, JP42015–2018
Osaka, JP22019–2020
Ann Arbor, MI, US12021