Inventor

Kazuo Matsunaga

Inventor

Tokyo, JP

Overview

13→

Patents

1978–2005

Patent span

Performing operations

Primary field (CPC B)

Patents· 13 as inventor

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

B24Bprimary

B24BMachines, devices, or processes for grinding or polishing23%

H02KDynamo-electric machines14%

Y10TTechnical subjects covered by former us classification14%

F02MSupplying combustion engines in general with combustible mixtures or constituents thereof9%

G06FElectric digital data processing9%

B21KMaking forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels5%

B44CProducing decorative effects5%

C08JWorking-up5%

D06NWall, floor, or like covering materials, e.g. linoleum, oilcloth, artificial leather, roofing felt, consisting of a fibrous web coated with a layer of macromolecular material5%

F04DNon-positive-displacement pumps5%

PatentTitleYear

6,914,356'Rotating electric machine and method for manufacturing the same'2005 6,565,423'Apparatus and method for polishing a ferrule end face for an optical connector'2003 6,448,681'Alternator'2002 6,367,153'Method of manufacturing fuel injection valve'2002 6,260,404'Method for manufacturing a cylinder interior fuel injection valve and apparatus for adjusting a fuel injection amount used therefor'2001 6,189,032'Client-server system for controlling access rights to certain services by a user of a client terminal'2001 5,860,022'Computer system and method of issuing input/output commands therefrom'1999 5,241,230'Cooling fan with reduced noise capability in an AC generator'1993 5,048,929'Method and apparatus for forming curved surface'1991 5,007,209'Optical fiber connector polishing apparatus and method'1991 4,999,955'Method and apparatus for conically machining optical fiber connectors'1991 4,914,867'Apparatus for processing end face optical fiber connector'1990 4,113,487'Method for manufacture of expanded articles having an embossed surface'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2003Patents assigned to NIPPON TELEGRAPH & TELEPHONE (4)· patent assignee history

1990–1991Patents assigned to SANKYO SEIKI SEISAKUSHO KK (3)· patent assignee history

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

1991Patents assigned to NIPPON T & T CORP (1)· patent assignee history

1991–2003Based in Kanagawa, JP· patent location history

1993–2005Patents assigned to MITSUBISHI ELECTRIC CORP (5)· patent assignee history

1993Based in Himeji, JP· patent location history

1999–2001Patents assigned to HITACHI LTD (2)· patent assignee history

1999Based in Chigasaki, JP· patent location history

2001Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MITSUBISHI ELECTRIC CORP	5	1993–2005
NIPPON TELEGRAPH & TELEPHONE	4	1990–2003
SANKYO SEIKI SEISAKUSHO KK	3	1990–1991
HITACHI LTD	2	1999–2001
NIPPON T & T CORP	1	1991

Locations

Location	Patents	Span
Tokyo, JP	7	1990–2005
Kanagawa, JP	2	1991–2003
Yokohama, JP	1	2001
Chigasaki, JP	1	1999
Himeji, JP	1	1993