LexDanaLexDanabeta
Inventor

Keizo Ishiguro

Inventor
Nara, JP

Overview

9→
Patents
1992–2020
Patent span
Physics
Primary field (CPC G)

Patents· 9 as inventor

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

H04Nprimary
H04NPictorial communication, e.g. television29%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them18%
G02BOptical elements, systems or apparatus12%
G06FElectric digital data processing12%
G10LSpeech analysis techniques or speech synthesis12%
H04MTelephonic communication12%
G08CTransmission systems for measured values, control or similar signals6%
PatentTitleYear
RE048232Method for controlling cordless telephone device, handset of cordless telephone device, and cordless telephone device20209,280,314'Method for controlling cordless telephone device, handset of cordless telephone device, and cordless telephone device'20168,810,717'Camera body and flash device with compatibility determination of external auxiliary light source'20148,218,069'Camera body with which various flash devices can be interchangeably used'20126,999,241'Zoom lens, and video camera and digital still camera using the zoom lens'2006RE038771'Exposure controller having coring value adapted to the discharge pulse count'20056,239,840'Exposure controller having coring value adapted to the discharge pulse count'20015,862,272'Image detector'19995,100,223'Zoom lens'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2006Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (5)· patent assignee history
1992Based in Katano, JP· patent location history
1999–2020Based in Nara, JP· patent location history
2012–2014Patents assigned to HAYASHI TAKAYUKI (2)· patent assignee history
2012–2014Patents assigned to HONJO KENICHI (2)· patent assignee history
2012–2014Patents assigned to ISHIGURO KEIZO (2)· patent assignee history
2012–2014Patents assigned to PANASONIC CORP (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD51992–2006
HAYASHI TAKAYUKI22012–2014
HONJO KENICHI22012–2014
ISHIGURO KEIZOself22012–2014
PANASONIC CORP22012–2014
Locations
LocationPatentsSpan
Nara, JP81999–2020
Katano, JP11992