Inventor

Kimihisa Yamamoto

Inventor

Tokyo, JP

Overview

13→

Patents

1990–2020

Patent span

Chemistry

Primary field (CPC C)

Patents· 13 as inventor

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

C08Gprimary

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds26%

B82YSpecific uses or applications of nanostructures6%

C07CAcyclic or carbocyclic compounds6%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium6%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients6%

C08LCompositions of macromolecular compounds6%

Y10TTechnical subjects covered by former us classification6%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%

B05DProcesses for applying fluent materials to surfaces, in general3%

B23BTurning3%

PatentTitleYear

10,781,290Multiple metal salt assembly of dendrimer having four or more types of multiple-metal salt compound precisely assembled, and method for producing subnano metal particles2020 9,212,267'Method of producing metal complex-supporting mesoporous material'2015 9,192,994'Method for producing substrate having dispersed particles of dendrimer compound on the surface thereof, and substrate having dispersed particles of dendrimer compound on the surface thereof'2015 8,927,157'Condensed polycyclic aromatic compound, production process of same, and positive electrode active material for lithium ion secondary battery containing same'2015 8,728,431'Method of preparing carbon nanotubes and catalyst for producing carbon nanotubes'2014 7,972,712'Organic electroluminescent device and method for producing the same'2011 5,986,046'Oxzidant solution for synthesizing heat-resistant electroconductive polymer and method for preparing electroconductive polymer'1999 5,290,911'Process for preparing polyarylene thioether from thiophenol'1994 5,250,657'Process for preparing polyarylene thioether'1993 5,153,305'Catalytic process for preparing polyarylene thioether'1992 5,135,618'Process for manufacturing a solid state electrolytic capacitor'1992 4,983,720'Process for preparing a polyarylene thioether'1991 4,931,542'Process for preparing a polyarylene thioether'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1992Patents assigned to IDEMITSU PETROCHEMICAL CO (3)· patent assignee history

1990–1991Based in Hon, JP· patent location history

1992–2020Based in Tokyo, JP· patent location history

2011Based in Kanagawa, JP· patent location history

2014–2020Patents assigned to TOKYO INST TECH (4)· patent assignee history

2014–2015Patents assigned to TOKYO OHKA KOGYO CO LTD (3)· patent assignee history

2014–2015Patents assigned to YAMAMOTO KIMIHISA (3)· patent assignee history

2014–2015Patents assigned to HIRANO ISAO (2)· patent assignee history

2015Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TOKYO INST TECH	4	2014–2020
IDEMITSU PETROCHEMICAL CO	3	1990–1992
TOKYO OHKA KOGYO CO LTD	3	2014–2015
YAMAMOTO KIMIHISAself	3	2014–2015
HIRANO ISAO	2	2014–2015

Locations

Location	Patents	Span
Tokyo, JP	9	1992–2020
Hon, JP	2	1990–1991
Yokohama, JP	1	2015
Kanagawa, JP	1	2011