Inventor

Akira Matsunaga

Inventor

Wakayama, JP

Overview

19→

Patents

1979–2018

Patent span

Chemistry

Primary field (CPC C)

Patents· 19 as inventor

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

C07Fprimary

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium15%

A61KPreparations for medical, dental or toiletry purposes8%

A61QSpecific use of cosmetics or similar toiletry preparations8%

C11DDetergent compositions8%

B65HHandling thin or filamentary material, e.g. sheets, webs, cables5%

C07CAcyclic or carbocyclic compounds5%

G03GElectrography5%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy5%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h105%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution5%

PatentTitleYear

9,895,858'Sheet processing apparatus, method for controlling sheet processing apparatus, and storage medium'2018 8,940,933'Method for producing polyoxyalkylene alkyl ether carboxylic acid and salt thereof'2015 8,663,858'Fuel cell system and method for operating the same'2014 8,534,662'Image forming apparatus, control method therefor, and computer-readable medium'2013 8,304,575'Process for production of ether carboxylates'2012 8,067,123'Fuel cell system and shutdown method of the same'2011 7,196,213'Process for producing phosphate'2007 6,478,947'Treatment method of waste oil or waste edible oil'2002 6,407,277'Process for the preparation of phosphoric monoester'2002 6,034,261'Process for the preparation of phosphoric monoester'2000 5,545,349'Bleaching composition'1996 5,071,585'Phosphoric acid ester, process for preparing the same, and detergent composition containing the same'1991 5,043,424'Modification method for peptides and proteins by reacting with a phosphoric acid ester'1991 4,985,412'Phosphoric acid ester, process for preparing the same, and detergent composition containing the same'1991 4,845,239'Phosphoric esters and process for preparing the same'1989 4,747,137'Speech scrambler'1988 4,430,664'Glass-moulded type semiconductor device'1984 4,363,678'Explosives having powdered ferrite magnet as a tracer dispersed therethrough and a method for producing the same'1982 4,148,056'Glass-encapsulated semiconductor device containing cylindrical stack of semiconductor pellets'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–1984Patents assigned to HITACHI LTD (2)· patent assignee history

1979–1984Based in Hitachi, JP· patent location history

1982–2014Based in Yokohama, JP· patent location history

1988–2002Based in Tokyo, JP· patent location history

1989–2015Patents assigned to KAO CORP (10)· patent assignee history

1989–2015Based in Wakayama, JP· patent location history

2011–2015Patents assigned to MATSUNAGA AKIRA (4)· patent assignee history

2011–2014Patents assigned to NISSAN MOTOR (2)· patent assignee history

2013–2018Patents assigned to CANON KK (2)· patent assignee history

2013–2018Based in Kawasaki, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KAO CORP	10	1989–2015
MATSUNAGA AKIRAself	4	2011–2015
CANON KK	2	2013–2018
HITACHI LTD	2	1979–1984
NISSAN MOTOR	2	2011–2014

Locations

Location	Patents	Span
Wakayama, JP	10	1989–2015
Yokohama, JP	3	1982–2014
Kawasaki, JP	2	2013–2018
Tokyo, JP	2	1988–2002
Hitachi, JP	2	1979–1984