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 patentsUS6570718B2May 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 patentsUS6469841B2Oct 22, 2002
Lens frame guiding mechanism of a zoom lens
ASAHI OPTICAL CO LTD52 citations93
US6469840B2Oct 22, 2002
Cam mechanism for driving a linearly-guided lens
ASAHI OPTICAL CO LTD49 citations93
US6456445B2Sep 24, 2002
Zoom lens having a cam mechanism
ASAHI OPTICAL CO LTD42 citations93
US5412510AMay 2, 1995
Imaging optical system for compensating change of temperature
ASAHI OPTICAL CO LTD46 citations93
US6421192B2Jul 16, 2002
Bayonet type fixing device having annular members and a zoom lens having the same
ASAHI OPTICAL CO LTD9 citations74
US5687007ANov 11, 1997
Image reading device including prevention of thermally induced component dislocation
ASAHI OPTICAL CO LTD8 citations74
US5596424AJan 21, 1997
Scanning optical system having image forming optical system and reading optical system with at least one common optical component
ASAHI OPTICAL CO LTD15 citations74
US5543955AAug 6, 1996
Optical scanning system
ASAHI OPTICAL CO LTD13 citations74
US5027424AJun 25, 1991
Image reader
ASAHI OPTICAL CO LTD16 citations72
US6424807B2Jul 23, 2002
Zoom lens assembling mechanism
ASAHI OPTICAL CO LTD5 citations63
TOKYO ELECTRON LTD
3 patentsUS7263463B2Aug 28, 2007
Prediction apparatus and method for a plasma processing apparatus
TOKYO ELECTRON LTD16 citations84
US7139620B2Nov 21, 2006
Prediction method and apparatus of a processing result
TOKYO ELECTRON LTD13 citations77
US7341954B2Mar 11, 2008
Method and apparatus for determining an operation status of a plasma processing apparatus, program and storage medium storing same
TOKYO ELECTRON LTD5 citations63
NISSHIN SPINNING
2 patentsKAO CORP
2 patentsHEWLETT PACKARD DEVELOPMENT CO
2 patentsNIPPON OIL CO LTD
1 patentJAPAN TOBACCO INC
1 patentTOSHIBA KK
1 patentMATSUSHITA ELECTRIC INDUSTRIAL CO LTD
1 patentDENSO WAVE INC
1 patentYAMAZAKI KICHISABURO
1 patentShowing the top 50 of 59 patents by PatentIndex Score.