Inventor

Yukio Ichikawa

Inventor

Iwaki, JP

Overview

21→

Patents

1987–2013

Patent span

Chemistry

Primary field (CPC C)

Patents· 21 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 bonds17%

C08LCompositions of macromolecular compounds15%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients10%

H01BCables8%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy8%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution8%

Y10TTechnical subjects covered by former us classification7%

C23CCoating metallic material5%

H05KPrinted circuits5%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds3%

PatentTitleYear

8,574,770'Vinylidene fluoride copolymer-based polymer electrolyte for nonaqueous battery retaining large proportion of electrolytic solution'2013 8,043,386'Process for producing polymer electrolyte'2011 7,452,387'Process for producing a polymer electrolyte of a vinylidene fluoride copolymer for a nonaqueous battery'2008 6,824,927'Polymer electrolyte containing a vinylidene fluoride copolymer and a nonaqueous electrolytic solution, and nonaqueous battery containing the polymer electrolyte'2004 6,372,388'Vinylidene fluoride copolymer for gel-form solid electrolyte formation, solid electrolyte, and battery'2002 6,054,503'Plastic lens material and process for preparing the same'2000 5,554,723'Process for production of poly(arylene thioether) containing phthalic anhydride groups'1996 5,380,819'Resin composition including poly(arylene thioether) and polyamide'1995 5,380,783'Poly(arylene sulfide) resin composition'1995 5,342,654'Surface roughening of resin molded articles for metallizing'1994 5,326,593'Surface roughening of resin molded articles for metallizing'1994 5,187,257'Thermoformed polyarylene sulfide container'1993 5,085,819'Heat-resistant resin compositions, and heat-resistant molded or formed articles and production process thereof'1992 4,935,473'Polyphenylene sulfide composition and method of producing the same'1990 4,895,893'Heat-resistant resin compositions, and heat-resistant molded or formed articles and production process thereof'1990 4,868,240'Polyarylene thioether of high crystallizing rate and a process for producing the same'1989 4,859,734'Composition of polyarylene thioether'1989 4,837,294'Polyarylene thioether composition containing polyarylene ether nucleating agent'1989 4,820,759'Polyarylene thiother composition'1989 4,746,536'Method for selective chemical plating'1988 4,699,975'Process for producing readily crystallizable arylenesulfide resin composition containing organic acid or anhydride'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–2004Patents assigned to KUREHA CHEMICAL IND CO LTD (16)· patent assignee history

1987–2000Based in Iwaki, JP· patent location history

1994–2013Based in Fukushima, JP· patent location history

2008–2013Patents assigned to KUREHA CORP (3)· patent assignee history

2013Patents assigned to HORIE KATSUO (1)· patent assignee history

2013Patents assigned to ICHIKAWA YUKIO (1)· patent assignee history

2013Patents assigned to KATSURAO TAKUMI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KUREHA CHEMICAL IND CO LTD	16	1987–2004
KUREHA CORP	3	2008–2013
HORIE KATSUO	1	2013
ICHIKAWA YUKIOself	1	2013
KATSURAO TAKUMI	1	2013

Locations

Location	Patents	Span
Iwaki, JP	14	1987–2000
Fukushima, JP	7	1994–2013