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Inventor

Kazumi Sugitani

Inventor
Osaka, JP

Overview

11→
Patents
1989–2012
Patent span
Physics
Primary field (CPC G)

Patents· 11 as inventor

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

G02Bprimary
G02BOptical elements, systems or apparatus73%
H02NElectric machines not otherwise provided for13%
G01DMeasuring not specially adapted for a specific variable7%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them7%
PatentTitleYear
8,198,784'Driving device'20127,315,164'Drive unit provided with position detecting device'20086,115,555'Image shooting apparatus'20005,597,999'Auto focus detecting device comprising both phase-difference detecting and contrast detecting methods'19975,229,807'Focus detecting device'19935,037,188'Optical system for detecting focusing condition'19914,992,818'Focus detecting device'19914,949,116'Focus detection apparatus of camera'19904,908,504'Focus detecting optical system'19904,901,102'Focus detecting optical system'19904,857,718'Focus detecting device'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1993Patents assigned to MINOLTA CAMERA KK (7)· patent assignee history
1989–1993Based in Osaka, JP· patent location history
1997–2000Patents assigned to MINOLTA CO LTD (2)· patent assignee history
1997Based in Yao, JP· patent location history
2000–2012Based in Sakai, JP· patent location history
2008–2012Patents assigned to KONICA MINOLTA OPTO INC (2)· patent assignee history
2012Patents assigned to FUJII SHUICHI (1)· patent assignee history
2012Patents assigned to SOUGAWA TADATOMI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MINOLTA CAMERA KK71989–1993
KONICA MINOLTA OPTO INC22008–2012
MINOLTA CO LTD21997–2000
FUJII SHUICHI12012
SOUGAWA TADATOMI12012
Locations
LocationPatentsSpan
Osaka, JP71989–1993
Sakai, JP32000–2012
Yao, JP11997