Inventor

Hisayoshi Yanagihara

Inventor

Oita, JP

Overview

12→

Patents

1991–2012

Patent span

Chemistry

Primary field (CPC C)

Patents· 12 as inventor

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

C08Fprimary

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds42%

C08LCompositions of macromolecular compounds13%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium8%

C23CCoating metallic material8%

C30BSingle-crystal growth8%

H10HInorganic light-emitting semiconductor devices having potential barriers8%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h108%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

PatentTitleYear

8,278,470'Method for producing trialkyl gallium'2012 7,667,063'Method for producing trialkyl gallium'2010 6,323,298'Propylene-based polymer, method for its production, composition thereof, catalyst component for polymerization, and method for its production'2001 6,184,328'Propylene-based polymer, method for its production, composition thereof, catalyst component for polymerization, and method for its production'2001 5,916,990'Propylene-based polymer, method of its production, composition thereof, catalyst component for polymerization, and method for its production'1999 5,885,920'Process for producing catalyst carrier for olefin polymerization'1999 5,804,665'Propylene block copolymer and process for producing the same'1998 5,760,141'Propylene block copolymer, process for preparation thereof and propylene resin composition comprising same'1998 5,703,172'Propylene block copolymer and process for producing the same'1997 5,684,099'Propylene block copolymer, process for producing the same, and resin composition comprising the same'1997 5,208,302'Catalyst, process for preparation of same and process for polymerization of olefins using same'1993 5,049,533'Catalyst, process for preparation of same, and process for polymerization of olefins using same'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2001Patents assigned to SHOWA DENKO KK (8)· patent assignee history

1991–2001Based in Oita, JP· patent location history

1998–1999Patents assigned to JAPAN POLYOLEFINS CO LTD (2)· patent assignee history

2010–2012Patents assigned to NICHIA CORP (2)· patent assignee history

2010–2012Based in Tokushima, JP· patent location history

2012Patents assigned to IOKU ATAU (1)· patent assignee history

2012Patents assigned to MITSUI HIKARI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SHOWA DENKO KK	8	1991–2001
JAPAN POLYOLEFINS CO LTD	2	1998–1999
NICHIA CORP	2	2010–2012
IOKU ATAU	1	2012
MITSUI HIKARI	1	2012

Locations

Location	Patents	Span
Oita, JP	10	1991–2001
Tokushima, JP	2	2010–2012