LexDanaLexDanabeta
Inventor

Seiichi Kobayashi

Inventor
Omuta, JP

Overview

106→
Patents
1980–2016
Patent span
Chemistry
Primary field (CPC C)

Patents· 106 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus15%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds14%
C07DHeterocyclic compounds10%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations10%
C07CAcyclic or carbocyclic compounds8%
C08LCompositions of macromolecular compounds7%
B43KImplements for writing or drawing5%
A61KPreparations for medical, dental or toiletry purposes4%
C07HSugars3%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium3%
PatentTitleYear
9,505,872'Polymerizable composition for optical material, optical material and method for producing optical material'20169,290,656'Polymerizable composition for polythiourethane optical material'20169,086,531'Plastic polarized lens, method for producing the same, and polarized film'20159,000,119'Polymerizable composition for optical material, optical material, and method for producing optical material'20158,772,441'Polyurethanes polymerizable composition and method for producing optical resin of the same'20148,729,240'Monoclonal antibody against oxidized low-density lipoprotein'20148,697,889'Metal compound, polymerizable composition containing the same, resin, method for producing the resin, and use of the resin'20148,680,295'Process for producing bis(thietanylthio)dithiastannolane'20148,637,633'Polymerizable composition, and resin and optical part using the same'20148,586,694'Polymerization catalyst for polythiourethane-based optical material, polymerizable composition containing the catalyst, optical material obtained from the composition, and method for preparing the optical material'20138,586,695'Polymerization catalyst for polythiourethane optical material, polymerizable composition containing the same, polythiourethane resin obtained from the composition, and process for producing the resin'20138,485,004'Apparatus and method for forming leather groove'20138,434,866'Polymerizable composition for optical material, optical material, and method for preparing the optical material'20138,426,551'Metal thietane compound, polymerizable composition containing the compound, resin and use of the resin'20138,420,718'Composition, polymerizable composition, resin, optical component, and method for producing the composition'20138,394,891'Additive for polymerizable composition, polymerizable composition containing the same and use of the polymerizable composition'20138,362,280'Thietane compound, polymerizable composition containing the same, resin, method for producing the resin, and use of the polymerizable composition and the resin'20138,349,996'Compound, polymerizable composition, resin, and use of the composition and the resin'20138,293,864'Metal thietane compound, polymerizable composition containing the compound, resin and use of the resin'20128,187,712'Plastic polarized lens and method of producing the same'20128,183,407'Process for production of isocyanate, isocyanate produced by the process, and use of the isocyanate'20128,183,404'Process for producing dicyanonorbornane and zerovalent nickel complex catalyst'20128,044,165'Process for producing resin for optical material'20118,022,163'Internal mold release agent for production of polythiourethane optical material'20117,994,154'Substituted liposaccharides useful in the treatment and prevention of endotoxemia'20117,980,588'Automotive airbag cover and method of manufacturing automotive airbag cover'20117,737,129'Substituted liposaccharides useful in the treatment and prevention of endotoxemia'20107,727,974'Methods of reducing the severity of mucositis'20107,396,900'Thiourethane-based optical material'20087,354,989'Thioepoxy based polymerizable composition and method for production thereof'20087,244,808'Thiourethane-based optical material'20077,189,717'Medicinal compositions promoting bowel movement'20077,132,501'Polymerizable composition containing novel cyclic sulfur compound and resin obtained by curing the polymerizable composition'20067,132,495'Polyisocyanate compound, method for producing the same, and uses thereof'20067,128,491'Composite writing instrument'20067,083,349'Writing implement'20067,070,352'Writing implement'2006RE039112'Purine derivatives and adenosine A2 receptor antagonists serving as preventives/remedies for diabetes'20066,970,428'Apparatus using in-band type access system'20056,889,423'Method for manufacturing laminated electronic component'20056,841,549'Condensed imidazole compounds and a therapeutic agent for diabetes mellitus'20056,770,734'Polythiol compound'20046,770,735'Process for preparing a thiol compound'20046,727,795'Laminated electronic component and manufacturing method'20046,703,388'Nitrogen-containing tricyclic compounds and drugs containing the same'20046,692,609'Method for manufacturing laminated electronic component'20046,630,463'Heterocycle-containing carboxylic acid derivative and drug containing the same'20036,596,841'Polythiol, polymerizable composition, resin and lens, and process for preparing thiol compound'20036,579,868'Purine derivatives and adenosine A2 receptor antagonists serving as preventives/remedies for diabetes'20036,541,474'Heterocycle-containing carboxylic acid derivative and drug containing the same'20036,489,336'Nitrogen-containing tricyclic compounds and drugs containing the same'20026,458,917'Polymerizable composition'20026,435,751'Click type writing implement'20026,369,269'Thiol and sulfur-containing O-(meth)acrylate compounds and use thereof'20026,365,707'Polymerizable composition and process for producing optical resin comprising the same'20026,358,995'Carboxylic acid derivatives having fused rings'20026,333,322'Nitrogen-containing tricyclic compounds and drugs containing the same'20016,329,402'Heterocycle-containing carboxylic acid derivative and drug containing the same'20016,300,464'Polymerizable composition'20016,265,510'Thiol and sulfur-containing O-(meth)acrylate compounds and use thereof'20016,217,241'Multiplex writing implement'20016,204,311'Polymerizable composition'20016,121,309'Fused-ring carboxylic acid derivatives'20006,114,485'Thiol and sulfur-containing O-(meth)acrylate compounds and use thereof'20006,110,959'Carboxylic acid derivatives having fused rings'20006,019,915'Optical lens and a process for preparing the lens'20005,977,108'Heterocycle-containing carboxylic acid derivative and drug containing the same'19995,935,938'Substituted liposaccharides useful in the treatment and prevention of endotoxemia'19995,915,871'Ball-point pen cap'19995,916,987'Thiol and Sulfur-containing O-(meth) acrylate compounds and use thereof'19995,909,975'Multiplex writing implement'19995,908,876'Optical resin composition comprising a thiourethane prepolymer and use thereof'19995,899,618'Multiplex writing implement'19995,901,320'Communication system configured to enhance system reliability using special program version management'19995,890,825'Composite writing instrument'19995,843,918'Anti-endotoxin compounds'19985,786,678'Method and apparatus for automatically adjusting a gain of a servomechanism'19985,756,766'Composition for optical materials and use thereof'19985,756,718'Anti-endotoxin compounds'19985,750,664'Substituted liposaccharides useful in the treatment and prevention of endotoxemia'19985,711,626'Ball-point pen with back flow stop'19985,709,493'Ballpoint pen having a backflow preventing mechanism'19985,693,738'Composition for urethane-base plastic lens, urethane-base plastic lens obtained from the composition, and process for the production of the plastic lens'19975,681,824'Substituted liposaccharides useful in the treatment and prevention of endotoxemia'19975,678,942'Ball-point pen'19975,655,847'Ball-point pen'19975,652,321'Composition for optical materials and use thereof'19975,642,953'Multiplex writing implement'19975,627,969'Universal link configurator for physical link configurations in a data link node'19975,612,476'Anti-endotoxin compounds'19975,530,113'Anti-endotoxin compounds'19965,352,758'Mercapto compound, its preparation process, and sulfur-containing urethane resins and lenses using the same'19945,306,799'High refractive index plastic lens and composition therefor'19945,306,085'Multiplex writing implement with eraser'19945,283,312'Mercapto compound, its preparation process, and sulfur-containing urethane resins and lenses using the same'19945,283,871'Routing system for accessing remote node in network from craftman\'s terminal'19945,200,949'Link changeover control system for local area network of broadcasting arrangement'19935,140,689'Data recovery system and method of distributed transaction processing system'19925,130,980'Data communication system with protection of error propagation'19924,833,160'3-(3,5-di-tert-butyl-4-hydroxy benzylidene)-2-pyrrolidone and substituted derivatives thereof'19894,757,349'Cleaning device and process for use in image forming apparatus'19884,709,079'Polyprenyl compounds, process for the production thereof and medicines containing same'19874,589,768'Original transfer apparatus'19864,576,963'Polyprenyl compounds, process for the production thereof and medicines containing same'19864,455,316'Polyprenyl esters of acemethacins and anti-inflammatory method of use thereof'19844,181,007'Method and an apparatus for conducting measurements of physical properties of cigarette filters'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–2007Patents assigned to EISAI CO LTD (25)· patent assignee history
1984–2003Based in Tsuchiura, JP· patent location history
1989–2011Based in Ibaraki, JP· patent location history
1992–2015Based in Yokohama, JP· patent location history
1994–2006Patents assigned to MITSUBISHI PENCIL CO (12)· patent assignee history
1997–2002Based in Kanagawa, JP· patent location history
1999–2016Patents assigned to MITSUI CHEMICALS INC (40)· patent assignee history
2006–2016Based in Omuta, JP· patent location history
2012–2016Patents assigned to KOBAYASHI SEIICHI (22)· patent assignee history
2012–2016Patents assigned to HAYASHI HIDETOSHI (9)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUI CHEMICALS INC401999–2016
EISAI CO LTD251984–2007
KOBAYASHI SEIICHIself222012–2016
MITSUBISHI PENCIL CO121994–2006
HAYASHI HIDETOSHI92012–2016
Locations
LocationPatentsSpan
Omuta, JP262006–2016
Yokohama, JP211992–2015
Tsuchiura, JP151984–2003
Ibaraki, JP91989–2011
Kanagawa, JP81997–2002