Inventor

Kouji Ohno

Inventor
Kanagawa, JP

Overview

46→
Patents
1988–2019
Patent span
Chemistry
Primary field (CPC C)

Patents· 46 as inventor

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

C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere33%
C07DHeterocyclic compounds25%
C07CAcyclic or carbocyclic compounds10%
H04WWireless communication networks6%
H04BTransmission4%
H04NPictorial communication, e.g. television4%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them3%
G09GArrangements or circuits for control of indicating devices using static means to present variable information3%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use3%
C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture2%
PatentTitleYear
10,250,854Image projection apparatus, and method of controlling image processing201910,230,930Image projection apparatus20199,661,288'Projection display system, and remote controller for controlling projector'20179,299,321'Multi-projection system'20166,314,090'Method of perch channel transmission and cell selection in CDMA mobile communication system'20016,181,944'Mobile station position estimation scheme for cellular mobile communication system'20016,138,001'Scheme for intermittent reception of paging signals in mobile communication system'20006,026,279'Method and apparatus for signal transmission in CDMA mobile communication system'20005,953,326'Cell selection scheme in CDMA mobile communication system using spread codes and spread code phases'19995,920,817'Mobile communication system with reliable handover scheme'19995,878,350'Scheme for controlling transmission powers during soft handover in a CDMA mobile communication system'19995,831,083'Production method of beta-type copper phthalocyanine pigment'19985,164,112'.alpha.-hydroxyketone derivatives, liquid crystal compositions containing said derivatives, and liquid crystal devices using said compositions'19925,120,468'2-substituted-alkyl ether and liquid crystal composition'19925,100,578'2,5-diphenylpyrimidine compound'19925,080,827'1,2-propanediol derivative'19925,059,340'Optically active 2-biphenylpyrimidine derivative and liquid crystal compositions containing same'19915,055,222'.alpha.-substituted-propionic acid esters'19915,047,171'Optically active-2,5-diphenylpyridine'19915,047,172'W-substituted, optically active alkanol ester derivatives'19915,032,314'Optically active 2-substituted-propyl ether and a liquid crystal composition'19915,021,191'Optically active-2-alkoxy-propyl ether and liquid crystal composition'19914,973,426'Optically active compound having a plurality of asymmetric carbon atoms'19904,963,288'Fluoroalkoxydiphenyl pyrimidine, liquid crystal composition and electro-optic element'19904,961,875'Condensate of an optically active-4-(1-hydroxyethyl)biphenyl with an optically active organic acid'19904,943,385'Thioether compound and liquid crystal composition'19904,913,838'Liquid crystal compound with a 4-(optically active alkyl)-3-cyanophenyl group'19904,906,400'Smetic liquid crystal compound'19904,900,473'Optically active alkanoyloxy 2,5-diphenyl pyrimidine and liquid crystal compositions'19904,900,472'2,5-diphenyl pyrimidine compounds and liquid crystal compositions'19904,895,671'Optically active phenylpyrimidine compound and a liquid crystal composition'19904,886,622'Optically active liquid crystal compound having cyano group'19894,882,084'Optically active substituted biphenyl compounds'19894,876,026'Optically active-2-methylbutyrate and materials using the same'19894,865,763'Halogen-containing heterocyclic compound and liquid crystal composition'19894,827,052'Optically active alcohols'19894,818,430'3,6-diphenylpyridazines'19894,818,429'Cyclohexylphenylpyridazines'19894,818,432'3-substituted biphenyl compound'19894,795,587'2-(4\'-alkoxyphenyl)-5-alkylpyridines'19894,784,791'Halogen-substituted phenyl benzyl ether derivatives'19884,784,792'Ferroelectric pyridine compound and liquid crystal composition'19884,781,857'Halogen-containing pyridine compound and liquid crystal composition'19884,765,924'Halogen-containing heterocyclic compound and liquid crystal composition'19884,759,869'Liquid crystalline carbonic acid ester and liquid crystal composition containing same'19884,752,413'2-(alkyloxycarbonyloxyphenyl)-5-alkylpyridine and composition containing same'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1992Patents assigned to CHISSO CORP (34)· patent assignee history
1988–1999Based in Kanagawa, JP· patent location history
1988–2000Based in Yokohama-shi, JP· patent location history
1989–2001Based in Yokohama, JP· patent location history
1990Based in Ichihara, JP· patent location history
1992–2019Based in Chiba, JP· patent location history
1998Patents assigned to DAINIPPON INK & CHEMICALS (1)· patent assignee history
1999–2001Patents assigned to NIPPON TELEGRAPH & TELEPHONE (7)· patent assignee history
2016–2019Patents assigned to OHNO KOUJI (4)· patent assignee history
2016–2019Patents assigned to RICOH CO LTD (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHISSO CORP341988–1992
NIPPON TELEGRAPH & TELEPHONE71999–2001
OHNO KOUJIself42016–2019
RICOH CO LTD42016–2019
DAINIPPON INK & CHEMICALS11998
Locations
LocationPatentsSpan
Kanagawa, JP211988–1999
Yokohama, JP81989–2001
Yokohama-shi, JP71988–2000
Chiba, JP61992–2019
Ichihara, JP21990