P

Inventor

YAMAZAKI YOSHIHIRO

JP59 patents
⚠️ This page may combine multiple inventors who share the name “YAMAZAKI YOSHIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PENTAX CORP

25 patents
US6570718B2May 27, 2003

Zoom lens having a cam mechanism

PENTAX CORP110 citations98
US6665129B2Dec 16, 2003

Lens barrel and a zoom lens barrel

PENTAX CORP71 citations96
US6520691B2Feb 18, 2003

Lens barrier opening/closing device of a movable lens barrel

PENTAX CORP48 citations96
US6813441B2Nov 2, 2004

Lens drive system

PENTAX CORP54 citations93
US6643074B2Nov 4, 2003

Lens barrel

PENTAX CORP15 citations93
US6636362B2Oct 21, 2003

Lens barrel

PENTAX CORP15 citations93
US6549341B2Apr 15, 2003

Mechanism for rotating a cam barrel of a zoom lens

PENTAX CORP39 citations93
US6597516B2Jul 22, 2003

Lens frame structure for optical axis adjustment

PENTAX CORP38 citations92
US6909464B2Jun 21, 2005

Zoom lens and a movable lens hood mounting mechanism of the zoom lens

PENTAX CORP18 citations84
US6853500B2Feb 8, 2005

Retracting mechanism of a zoom lens barrel

PENTAX CORP17 citations84
US6819502B2Nov 16, 2004

Structure of a zoom lens barrel

PENTAX CORP17 citations84
US6714357B2Mar 30, 2004

Lens drive system

PENTAX CORP18 citations84
US6597518B2Jul 22, 2003

Zoom lens barrel

PENTAX CORP16 citations84
US6519096B2Feb 11, 2003

Lens barrel

PENTAX CORP13 citations84
US7373082B2May 13, 2008

Light shielding structure of a zoom lens barrel

PENTAX CORP9 citations83
US7088524B2Aug 8, 2006

Lens barrel having a lens barrier mechanism

PENTAX CORP10 citations74
US6963455B2Nov 8, 2005

Lens barrel

PENTAX CORP10 citations74
US6954314B2Oct 11, 2005

Cam mechanism of a lens barrel

PENTAX CORP9 citations74
US6919995B2Jul 19, 2005

Light shielding structure of a retractable lens barrel

PENTAX CORP8 citations74
US6888685B2May 3, 2005

Retracting mechanism of a zoom lens barrel

PENTAX CORP7 citations74
US6788475B2Sep 7, 2004

Lens barrel having a lens barrier mechanism

PENTAX CORP5 citations74
US6657794B2Dec 2, 2003

Movable lens hood mechanism of a zoom lens

PENTAX CORP7 citations74
US6624955B2Sep 23, 2003

Lens barrel

PENTAX CORP12 citations74
USRE39752EJul 31, 2007

Lens barrier opening/closing device of a movable lens barrel

PENTAX CORP5 citations63
US7212352B2May 1, 2007

Cam mechanism of a lens barrel

PENTAX CORP4 citations63

ASAHI OPTICAL CO LTD

10 patents

TOKYO ELECTRON LTD

3 patents

NISSHIN SPINNING

2 patents

KAO CORP

2 patents

HEWLETT PACKARD DEVELOPMENT CO

2 patents

NIPPON OIL CO LTD

1 patent

JAPAN TOBACCO INC

1 patent

TOSHIBA KK

1 patent

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

1 patent

DENSO WAVE INC

1 patent

YAMAZAKI KICHISABURO

1 patent

Showing the top 50 of 59 patents by PatentIndex Score.