Inventor

Shigeru Sawamura

Inventor

Sakai, JP

Overview

15→

Patents

2000–2011

Patent span

Physics

Primary field (CPC G)

Patents· 15 as inventor

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

G02Bprimary

G02BOptical elements, systems or apparatus42%

G03BApparatus or arrangements for taking photographs or for projecting or viewing them23%

H04NPictorial communication, e.g. television23%

F21VFunctional features or details of lighting devices or systems thereof4%

F21WIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to uses or applications of lighting devices or systems4%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein4%

PatentTitleYear

8,007,116'Video projection device having a converter lens attachably and detachably provided'2011 7,862,180'Optical system for image projection and image projection apparatus'2011 7,012,758'Projection optical system and projecting apparatus provided with same'2006 6,840,631'Illuminating apparatus, and projector using the illuminating apparatus'2005 6,685,322'Optical system and projection-type image display device'2004 6,583,940'Projection system'2003 6,558,007'Illumination optical system and image projection apparatus'2003 6,478,431'Illumination system and projector'2002 6,469,820'Scanning optical system'2002 6,454,417'Projection optical system comprising an optical function surface for reflecting or transmitting light from a spatial light modulator'2002 6,382,799'Projection optical apparatus'2002 6,357,878'Optical system for a projector'2002 6,193,376'Display apparatus'2001 6,179,424'Optical system for a projector'2001 6,128,120'Scanning optical system'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2005Patents assigned to MINOLTA CO LTD (12)· patent assignee history

2000–2005Based in Osaka, JP· patent location history

2001–2003Based in Sakai, JP· patent location history

2006–2011Patents assigned to KONICA MINOLTA OPTO INC (3)· patent assignee history

2006–2011Based in Osakasayama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MINOLTA CO LTD	12	2000–2005
KONICA MINOLTA OPTO INC	3	2006–2011

Locations

Location	Patents	Span
Sakai, JP	8	2001–2003
Osaka, JP	4	2000–2005
Osakasayama, JP	3	2006–2011