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Inventor

SAKAMOTO TAKAMASA

JP14 patents
⚠️ This page may combine multiple inventors who share the name “SAKAMOTO TAKAMASA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MINOLTA CO LTD

5 patents
US6183142B1Feb 6, 2001

Single lens reflex camera

MINOLTA CO LTD21 citations92
US5950035ASep 7, 1999

Dual dial apparatus

MINOLTA CO LTD17 citations82
US6282382B1Aug 28, 2001

Camera having compact layout

MINOLTA CO LTD4 citations62
US6169856B1Jan 2, 2001

Camera

MINOLTA CO LTD5 citations61
US5875364AFeb 23, 1999

Field frame changeover mechanism for viewfinder

MINOLTA CO LTD0 citations51

OPTEK CORP

4 patents
US7019915B2Mar 28, 2006

Lens barrels

OPTEK CORP26 citations90
US7131773B2Nov 7, 2006

Lens barrels

OPTEK CORP8 citations71
US7035019B2Apr 25, 2006

Lens barrel extending and retracting mechanisms

OPTEK CORP10 citations71
US7116901B2Oct 3, 2006

Zoom finder drive mechanisms

OPTEK CORP6 citations60

ASIA OPTICAL CO INC

2 patents
US7301577B2Nov 27, 2007

Digital camera with a collapsible lens barrel

ASIA OPTICAL CO INC18 citations83
US7911719B2Mar 22, 2011

Zoom lens

ASIA OPTICAL CO INC1 citations51

MINOLTA CAMERA KK

1 patent
US5506647AApr 9, 1996

Field frame changeover mechanism for viewfinder

MINOLTA CAMERA KK4 citations61

SINTAI OPTICAL SHENZHEN CO LTD

1 patent
US9348109B2May 24, 2016

Optical device

SINTAI OPTICAL SHENZHEN CO LTD0 citations51

SAKAREN CO LTD

1 patent
US6695889B2Feb 24, 2004

Pre-dyeing treatment process and dyeing process for textile products containing highly crosslinked polyacrylic fibers, pretreated and undyed textile product, and dyed textile product

SAKAREN CO LTD0 citations38