Inventor

Katsuaki Kawamura

Inventor

Kawagoe, JP

Overview

11→

Patents

1983–2007

Patent span

Electricity

Primary field (CPC H)

Patents· 11 as inventor

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

H01Qprimary

H01QAntennas, i.e. radio aerials25%

H03JTuning resonant circuits13%

H04BTransmission13%

H04WWireless communication networks13%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein6%

G09GArrangements or circuits for control of indicating devices using static means to present variable information6%

G11BInformation storage based on relative movement between record carrier and transducer6%

H03GControl of amplification6%

H04MTelephonic communication6%

H04NPictorial communication, e.g. television6%

PatentTitleYear

7,209,410'Set of electronic apparatuses having first and second electronic devices, and computer program product'2007 6,657,681'Liquid crystal panel'2003 6,453,180'Vehicle-installed telephone apparatus'2002 5,202,925'FM stereophonic receiver'1993 5,177,493'Antenna device for movable body'1993 4,628,537'System for identifying a responding station for a radio communications system'1986 4,618,998'Radio communications control system which automatically returns the system to the speech channel'1986 4,551,855'Radio communications system for detecting the coincidence of decoded information'1985 4,397,041'Complex antenna system and FM/AM receiver'1983 4,395,714'Antenna array system usable for AM/FM receiver'1983 4,370,522'FM Receiver for use with motorcars'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–2002Patents assigned to PIONEER ELECTRONIC CORP (9)· patent assignee history

1983–2007Based in Kawagoe, JP· patent location history

1993–2003Based in Saitama, JP· patent location history

2003–2007Patents assigned to PIONEER CORP (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
PIONEER ELECTRONIC CORP	9	1983–2002
PIONEER CORP	2	2003–2007

Locations

Location	Patents	Span
Kawagoe, JP	8	1983–2007
Saitama, JP	3	1993–2003