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Inventor

Katsutoshi Kikuchi

Inventor
Tokyo, JP

Overview

21→
Patents
1976–2021
Patent span
Physics
Primary field (CPC G)

Patents· 21 as inventor

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

C01Bprimary
C01BNon-metallic elements17%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry12%
G02BOptical elements, systems or apparatus12%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein12%
Y02PClimate change mitigation technologies in the production or processing of goods10%
G09FDisplaying7%
G04GElectronic time-pieces5%
H05KPrinted circuits5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
C07CAcyclic or carbocyclic compounds2%
PatentTitleYear
11,079,805Display panel provided with protective film202110,802,313Display device202010,754,086Display device with light source control202010,527,778Lighting device and display device20209,588,272'Lighting device and display device'20179,268,175'Display device'20168,717,514'Illumination device, and display device'20148,253,882'Display device'20125,100,857'Catalyst for steam reforming'19924,990,481'Catalyst for steam reforming'19914,740,290'Process for thermal cracking of heavy oil'1988D0291024'Case for a magnetic tape cassette or the like'1987D0289518'Reel hub for magnetic tape cassette or the like'1987D0289517'Reel hub for magnetic tape cassette or the like'1987D0284077'Magnetic tape cassette'19864,525,482'Process for producing a gas containing methane'1985D0277858'Magnetic disc'19854,331,451'Catalytic gasification'19824,115,074'Gasification process'19784,025,457'Process for manufacturing gaseous mixtures rich in hydrogen'19773,957,681'Process for manufacturing gaseous mixtures rich in hydrogen'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1992Patents assigned to TOYO ENGINEERING CORP (6)· patent assignee history
1976–1982Based in Fujisawa, JP· patent location history
1978–1982Patents assigned to MITSUI TOATSU CHEMICALS (2)· patent assignee history
1985–1987Patents assigned to SONY CORP (5)· patent assignee history
1985–1987Based in Tokyo, JP· patent location history
1985–1992Based in Chiba, JP· patent location history
2012–2021Patents assigned to SHARP KK (8)· patent assignee history
2012–2016Patents assigned to KIKUCHI KATSUTOSHI (3)· patent assignee history
2012–2017Based in Osaka, JP· patent location history
2020–2021Based in Sakai, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHARP KK82012–2021
TOYO ENGINEERING CORP61976–1992
SONY CORP51985–1987
KIKUCHI KATSUTOSHIself32012–2016
MITSUI TOATSU CHEMICALS21978–1982
Locations
LocationPatentsSpan
Tokyo, JP51985–1987
Sakai, JP42020–2021
Osaka, JP42012–2017
Chiba, JP41985–1992
Fujisawa, JP41976–1982