Inventor

Toshiyasu Sakakura

Inventor

Tsukuba, JP

Overview

14→

Patents

1988–2017

Patent span

Chemistry

Primary field (CPC C)

Patents· 14 as inventor

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

C07Cprimary

C07CAcyclic or carbocyclic compounds23%

C07DHeterocyclic compounds19%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry13%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds13%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium10%

Y02PClimate change mitigation technologies in the production or processing of goods6%

C01BNon-metallic elements3%

C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds3%

C08LCompositions of macromolecular compounds3%

C09DCoating compositions, e.g. paints, varnishes or lacquers3%

PatentTitleYear

9,834,536Method for producing catalyst for cyclic carbonate synthesis2017 8,507,630'Organic inorganic composite material and utilization thereof'2013 8,455,690'Method for producing arylhydroxylamine'2013 6,933,394'Catalyst for synthesizing alkylene carbonate'2005 6,610,872'Process for preparing polysilane by catalytic dehydrogenative condensation of organosilane and metal complex catalyst therefor'2003 6,140,448'Process for preparing polysilane by catalytic dehydrogenative condensation of organosilane and metal complex catalyst therefor'2000 5,631,331'Method for the preparation of a heat-resistant silicon-containing polymer'1997 5,252,766'Method for producing polysilanes'1993 5,104,504'Method for the preparation of an alcohol from hydrocarbon'1992 4,908,451'Process for preparing .alpha.-substituted carbonyl compound'1990 4,900,413'Process for direct carbonylation of hydrocarbons'1990 4,892,936'Process for the preparation or .alpha.-azo esters'1990 4,820,823'Process of producing .alpha.-keto acids'1989 4,772,714'Process for the preparation of .alpha.-aryl and .alpha.-heteroaryl ketones'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–2003Patents assigned to AGENCY IND SCIENCE TECHN (10)· patent assignee history

1988–1990Based in Yatabemachi, JP· patent location history

1989Based in Sakura, JP· patent location history

1990–2005Based in Ibaraki, JP· patent location history

1992–2017Based in Tsukuba, JP· patent location history

2005–2013Patents assigned to NAT INST OF ADVANCED IND SCIEN (3)· patent assignee history

2013Patents assigned to SAKAKURA TOSHIYASU (2)· patent assignee history

2013Patents assigned to YASUDA HIROYUKI (2)· patent assignee history

2017Patents assigned to AIST (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
AGENCY IND SCIENCE TECHN	10	1988–2003
NAT INST OF ADVANCED IND SCIEN	3	2005–2013
SAKAKURA TOSHIYASUself	2	2013
YASUDA HIROYUKI	2	2013
AIST	1	2017

Locations

Location	Patents	Span
Tsukuba, JP	8	1992–2017
Ibaraki, JP	3	1990–2005
Yatabemachi, JP	2	1988–1990
Sakura, JP	1	1989