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Inventor

Toranosuke Saito

Inventor
Osaka, JP

Overview

33→
Patents
1976–2000
Patent span
Chemistry
Primary field (CPC C)

Patents· 33 as inventor

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

B41Mprimary
B41MPrinting, duplicating, marking, or copying processes29%
C07CAcyclic or carbocyclic compounds22%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium12%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients12%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds6%
C08LCompositions of macromolecular compounds4%
C09KMaterials for miscellaneous applications, not provided for elsewhere4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
Y10TTechnical subjects covered by former us classification4%
A01NPreservation of bodies of humans or animals or plants or parts thereof2%
PatentTitleYear
6,107,506'Process for producing 2-(2-hydroxyphenyl) phenylphosphinic acid and derivatives'2000RE036321'Heat-sensitive recording material'19995,705,452'Sulfonyl compound and thermal-sensitive recording medium using the same'19985,393,332'Color developer for pressure-sensitive recording sheets'19955,328,884'Pressure sensitive manifold sheet containing color developer composition'19945,250,108'Color developer composition, process for preparing aqueous dispersion thereof and pressure sensitive manifold sheet using thereof'19935,248,828'Method for preparing sulfones'19935,236,988'Engineering plastic composition and articles made of the same'19935,235,024'Polyester and an article made of the same'19935,235,084'Method for preparing sulfones'19935,204,190'Method for preparing aqueous dispersion of developer and pressure-sensitive recording paper'19935,191,057'Polyester and an article made of the same comprising a p-quaterphenyl derivative'19935,164,001'Method for preparing aqueous dispersion of developer and pressure-sensitive recording paper'19925,143,890'Heat sensitive recording material'19925,118,443'Developer for pressure-sensitive recording sheets, aqueous dispersion of the developer and method for preparing the developer'19925,107,006'Clathrate compounds of nuclear-substituted salicyclic acid salts'19925,049,685'Nuclear substituted salicylic acids and their salts'19915,041,604'Process for producing di(aryloxy)alkane'19915,019,548'Heat sensitive recording material'19915,011,879'Engineering plastic composition and an article made of the same'19914,973,720'Process for the preparation of p-benzoquinone'19904,950,330'Aqueous dispersion of a developer for pressure-sensitive recording sheet and a process for producing the same'19904,618,693'Cyclic organic phosphorus compound and process for producing same'19864,542,395'Heat-sensitive recording material'19854,535,190'Phenolic compounds and a heat-sensitive recording material containing the same'19854,531,140'Heat-sensitive recording material'19854,514,745'Heat-sensitive recording material'19854,317,769'Flame retardants'19824,280,951'Flame retardants'19814,113,795'Flame-retardant polyphenylene ether resin composition'19784,086,206'Organophosphorus compounds and process for the production thereof'19784,046,941'Support sheet with sensitized coating of organic acid substance and organic high molecular compound particulate mixture'19773,983,292'Pressure sensitive recording papers'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1977Patents assigned to SANKO CHEMICAL CO LTD (2)· patent assignee history
1976–1981Based in Kobe, JP· patent location history
1978Patents assigned to ASAHI DOW LTD (1)· patent assignee history
1981–2000Patents assigned to SANKO KAIHATSU KAGAKU KENK (28)· patent assignee history
1982Based in Ibaragi, JP· patent location history
1985–1995Patents assigned to KANZAKI PAPER MFG CO LTD (12)· patent assignee history
1985–2000Based in Osaka, JP· patent location history
1986Based in Ibara, JP· patent location history
1991–1993Patents assigned to SEIKISUI CHEMICAL CO LTD (3)· patent assignee history
1991–1999Based in Ibaraki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SANKO KAIHATSU KAGAKU KENK281981–2000
KANZAKI PAPER MFG CO LTD121985–1995
SEIKISUI CHEMICAL CO LTD31991–1993
SANKO CHEMICAL CO LTD21976–1977
ASAHI DOW LTD11978
Locations
LocationPatentsSpan
Osaka, JP171985–2000
Ibaraki, JP91991–1999
Kobe, JP51976–1981
Ibara, JP11986
Ibaragi, JP11982