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Inventor

Yoshihisa Arai

Inventor
Tsukuba, JP

Overview

25→
Patents
1980–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 25 as inventor

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

C07Cprimary
C07CAcyclic or carbocyclic compounds30%
C09KMaterials for miscellaneous applications, not provided for elsewhere19%
C07HSugars9%
C07DHeterocyclic compounds7%
F16KValves7%
F25BRefrigeration machines, plants or systems7%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations5%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium5%
A61KPreparations for medical, dental or toiletry purposes2%
C07KPeptides2%
PatentTitleYear
10,837,683Throttling device and refrigeration cycle202010,222,107Throttle device and refrigeration cycle system with same201910,208,867Throttling device and refrigeration cycle20198,598,292'Adamantane derivative, method for producing same, polymer using same as starting material, and resin composition'20138,198,475'Method for producing adamantyl (meth)acrylates'2012D0470563'Rat guard device'20036,521,781'Production of 2-hydrocarbyl-2-adamantyl acrylate compounds'20036,359,163'Process for producing dialkyl carbonate'20026,169,197'Process for separation between dialkyl carbonate and alkyl carbamate'20016,031,122'Process for producing dialkyl carbonate'20005,980,445'Process for producing diaryl carbonate'19995,587,106'Liquid crystal display devices and liquid crystal substances therefor'19965,534,190'Anti-ferroelectric liquid crystal composition and liquid crystal display'19965,378,396'Liquid crystal compound and liquid crystal display device'19955,374,375'Liquid crystal compound and liquid crystal display device'19945,364,560'Liquid crystal compound and liquid crystal display device'19945,352,382'Liquid crystal composition'19945,340,498'Anti-ferroelectric liquid crystal and liquid crystal display device'19945,264,150'Optically active alcohol, process for producing same and liquid crystal compound using same'19934,886,894'Novel Organic platinum complex and process for the preparation thereof'19894,882,447'Novel organic platinum complex and process for the preparation thereof'19894,472,573'Nitrosourea derivative and process for preparing same'19844,241,053'Novel nitrosourea compounds and process for preparing the same'19804,241,052'Novel nitrosourea compounds and process for preparing the same'19804,182,757'Novel nitrosourea compounds and process for preparing the same'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1989Patents assigned to TANABE SEIYAKU CO (6)· patent assignee history
1980–1984Based in Urawa, JP· patent location history
1989Based in Funabashi, JP· patent location history
1993–2013Patents assigned to MITSUBISHI GAS CHEMICAL CO (15)· patent assignee history
1993–2002Based in Tsukuba, JP· patent location history
2012–2013Patents assigned to ARAI YOSHIHISA (2)· patent assignee history
2012Patents assigned to FURUKAWA KIKUO (1)· patent assignee history
2013Based in Tokyo, JP· patent location history
2019–2020Patents assigned to SAGINOMIYA SEISAKUSHO INC (3)· patent assignee history
2019–2020Based in Sayama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI GAS CHEMICAL CO151993–2013
TANABE SEIYAKU CO61980–1989
SAGINOMIYA SEISAKUSHO INC32019–2020
ARAI YOSHIHISAself22012–2013
FURUKAWA KIKUO12012
Locations
LocationPatentsSpan
Tsukuba, JP121993–2002
Urawa, JP41980–1984
Sayama, JP32019–2020
Funabashi, JP21989
Tokyo, JP12013