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Inventor

Keita Yamaguchi

Inventor
Tokyo, JP

Overview

10→
Patents
2002–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 10 as inventor

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

H01Mprimary
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy20%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution20%
C01BNon-metallic elements12%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein8%
B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers4%
B66BElevators4%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds4%
C08JWorking-up4%
C08LCompositions of macromolecular compounds4%
G02BOptical elements, systems or apparatus4%
PatentTitleYear
10,797,817Optical signal processing device20209,946,710Language conversion apparatus, language conversion method, and language conversion program20189,588,300'Optical input/output device'20179,346,928'Packing sheet'20168,974,968'Composite graphite particle for nonaqueous secondary battery, negative electrode material containing the same, negative electrode and nonaqueous secondary battery'20158,647,776'Carbon material for lithium ion secondary battery'20148,637,187'Negative electrode material for lithium secondary battery, method for producing same, negative electrode for lithium secondary battery using same and lithium secondary battery'20148,431,270'Composite graphite particles for nonaqueous secondary battery, negative-electrode material containing the same, negative electrode, and nonaqueous secondary battery'20138,404,383'Negative electrode material for nonaqueous secondary cells, negative electrode for nonaqueous secondary cells, and nonaqueous secondary cell'20136,450,298'Communications control system for elevators'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2018Based in Tokyo, JP· patent location history
2013–2016Patents assigned to YAMAGUCHI KEITA (6)· patent assignee history
2013–2015Patents assigned to MITSUBISHI CHEM CORP (5)· patent assignee history
2013–2014Patents assigned to SATO HIDEHARU (2)· patent assignee history
2013–2014Patents assigned to UONO HIROYUKI (2)· patent assignee history
2013–2015Based in Kagawa, JP· patent location history
2013–2014Based in Inashiki-gun, JP· patent location history
2017–2020Patents assigned to NIPPON TELEGRAPH & TELEPHONE (2)· patent assignee history
2017–2020Based in Atsugi, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
YAMAGUCHI KEITAself62013–2016
MITSUBISHI CHEM CORP52013–2015
NIPPON TELEGRAPH & TELEPHONE22017–2020
SATO HIDEHARU22013–2014
UONO HIROYUKI22013–2014
Locations
LocationPatentsSpan
Tokyo, JP32002–2018
Kagawa, JP32013–2015
Atsugi, JP22017–2020
Inashiki-gun, JP22013–2014