Inventor

Yasuhiro Kubo

Inventor

Chiba, JP

Overview

1986–2017

Patent span

Chemistry

Primary field (CPC C)

Patents· 49 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 elsewhere45%

C07CAcyclic or carbocyclic compounds18%

G01NInvestigating or analysing materials by determining their chemical or physical properties10%

C07DHeterocyclic compounds7%

A61BDiagnosis6%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium5%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein2%

G06FElectric digital data processing2%

B60HArrangements of heating, cooling, ventilating or other air-treating devices specially adapted for passenger or goods spaces of vehicles1%

G01SRadio direction-finding1%

PatentTitleYear

9,591,992'Method of exhaled gas measurement and analysis and apparatus therefor'2017 9,316,882'Liquid crystal panel'2016 9,261,740'Liquid crystal panel'2016 7,749,436'Gas injection amount determining method in isotope gas analysis, and isotope gas analyzing and measuring method and apparatus'2010 7,674,508'Liquid crystal composition and liquid crystal display device'2010 7,563,492'Liquid crystal composition and liquid crystal display device'2009 7,452,576'Liquid crystal composition and liquid crystal display device'2008 7,081,279'Alkenyl compound having a negative Î”Îµ value, liquid crystal composition, and liquid crystal display device'2006 6,940,083'Isotopic gas analyzer and method of judging absorption capacity of carbon dioxide absorbent'2005 6,864,397'Difluoromethyl ether derivative and process for producing the same'2005 6,857,031'DMA transfer method'2005 6,844,032'Liquid crystal compounds having bis(trifluoromethyl) phenyl rings, liquid crystal compositions and liquid crystal display devices'2005 6,827,876'Difluoromethyl ether derivative and process for producing the same'2004 6,759,102'Liquid crystal compositions and liquid crystal display devices'2004 6,703,083'Silicon compound, liquid crystal composition and liquid crystal display'2004 6,692,657'Alkenyl compound having a negative value, liquid crystal composition, and liquid crystal display device'2004 6,682,784'Liquid crystal compositions and liquid crystal display devices'2004 6,649,227'Difluorovinyl compound, liquid crystal composition and liquid crystal display'2003 6,641,872'Liquid crystal composition and liquid crystal display element'2003 6,605,747'Difluoromethyl ether derivative and process for producing the same'2003 6,599,590'Fluoro-substituted alkenyl compounds, liquid crystal compositions, and liquid crystal display elements'2003 6,596,349'Terphenyl derivative, liquid crystal composition and liquid crystal display device'2003 6,579,577'Substituted benzene derivative, liquid crystal composition, and liquid crystal display element'2003 6,572,938'Liquid crystal composition and liquid crystal display device'2003 6,558,758'Liquid crystal composition and liquid crystal display element'2003 6,555,185'Terphenyl derivative, liquid crystal composition and liquid crystal display device'2003 6,557,052'DMA transfer device'2003 6,548,126'2,3-difluorophenyl derivative having negative dielectric anisotropy, liquid crystal composition, and liquid crystal display device'2003 6,544,604'Liquid crystalline compound having difluoropropyleneoxy group as bonding group, liquid crystal composition and liquid crystal display element'2003 6,500,503'Cyclohexane derivatives, liquid crystal compositions comprising the same and liquid crystal display devices'2002 6,497,929'Liquid crystal composition and liquid crystal display device'2002 6,455,852'Stable isotope measurement method and apparatus by spectroscopy'2002 6,444,985'Stable isotope measurement method and apparatus by spectroscopy'2002 6,399,164'Liquid crystal composition and liquid crystal display element'2002 6,395,353'Liquid crystal composition and liquid crystal display element'2002 6,348,244'Liquid-crystal compounds having large negative value of permittivity anisotropy, liquid-crystal composition, and liquid-crystal display element'2002 6,344,247'Terphenyl derivative, liquid-crystal composition, and liquid-crystal display element'2002 6,325,949'Liquid crystal composition and liquid crystal display element'2001 6,315,922'Liquid crystal composition and liquid crystal display element'2001 6,274,870'Method for spectrometrically measuring isotopic gas and apparatus thereof'2001 6,254,941'Fluoroalkylated liquid-crystal compounds, liquid-crystal compositions, and liquid-crystal display elements'2001 6,248,260'Liquid-crystal compounds having fluorinated alkyl groups, liquid-crystal composition, and liquid-crystal display element'2001 6,149,838'Conjugated nitrile derivative, liquid crystal composition, and liquid crystal display elements'2000 5,964,712'Apparatus and breathing bag for spectrometrically measuring isotopic gas'1999 5,879,585'Liquid crystalline compound having alkynyl group, and liquid crystal compositions and liquid crystal display device therefrom'1999 5,874,022'Liquid crystal composition and liquid crystal display device'1999 5,157,454'Differential refractometer'1992 5,113,083'Light scattering measuring apparatus utilizing a photodetector mounted on a rotary stand'1992 4,600,367'Refrigerant compressor for automobile air-conditioning system'1986

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2005Based in Shiga, JP· patent location history

1999–2010Patents assigned to CHISSO CORP (35)· patent assignee history

1999–2017Patents assigned to OTSUKA PHARMA CO LTD (7)· patent assignee history

1999–2016Based in Chiba, JP· patent location history

1999–2005Based in Ichihara, JP· patent location history

2002–2010Patents assigned to CHISSO PETROCHEMICAL CORP (18)· patent assignee history

2003–2005Based in Moriguchi, JP· patent location history

2010–2017Based in Konan, JP· patent location history

2016Patents assigned to JNC CORP (2)· patent assignee history

2016Patents assigned to JNC PETROCHEMICAL CORP (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CHISSO CORP	35	1999–2010
CHISSO PETROCHEMICAL CORP	18	2002–2010
OTSUKA PHARMA CO LTD	7	1999–2017
JNC CORP	2	2016
JNC PETROCHEMICAL CORP	2	2016

Locations

Location	Patents	Span
Chiba, JP	25	1999–2016
Ichihara, JP	12	1999–2005
Shiga, JP	6	1992–2005
Konan, JP	2	2010–2017
Moriguchi, JP	2	2003–2005