Inventor
TAKEDA TADASHI
JP66 patents
⚠️ This page may combine multiple inventors who share the name “TAKEDA TADASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SANKYO SEIKI SEISAKUSHO KK
18 patentsUS6084844AJul 4, 2000
Optical head assembly
SANKYO SEIKI SEISAKUSHO KK21 citations93
US5648950AJul 15, 1997
Hologram integrated with a beam splitter to separate a plurality of polarized reflected light beams
SANKYO SEIKI SEISAKUSHO KK27 citations93
US5828643AOct 27, 1998
Optical pickup head apparatus
SANKYO SEIKI SEISAKUSHO KK22 citations92
US5739952AApr 14, 1998
Polarizing beam splitter and optical head assembly
SANKYO SEIKI SEISAKUSHO KK36 citations92
US6775065B2Aug 10, 2004
Diffraction element and optical pickup device
SANKYO SEIKI SEISAKUSHO KK13 citations84
US6438075B1Aug 20, 2002
Light-pick-up device and light source unit incorporated in the same
SANKYO SEIKI SEISAKUSHO KK17 citations82
US6633530B1Oct 14, 2003
Optical pickup apparatus with light source unit including first light source and common light receiving section
SANKYO SEIKI SEISAKUSHO KK9 citations74
US6552317B1Apr 22, 2003
Optical pickup device
SANKYO SEIKI SEISAKUSHO KK8 citations74
US5687152ANov 11, 1997
Optical pickup system
SANKYO SEIKI SEISAKUSHO KK12 citations74
US6016300AJan 18, 2000
Optical pickup head apparatus
SANKYO SEIKI SEISAKUSHO KK12 citations73
US5761174AJun 2, 1998
Optical pickup device with split hologram element that diffracts light in direction parallel to track
SANKYO SEIKI SEISAKUSHO KK16 citations73
US6445671B1Sep 3, 2002
Optical pickup device having a shielding protection
SANKYO SEIKI SEISAKUSHO KK12 citations72
US6167017ADec 26, 2000
Optical head assembly having means for detecting tracking errors based on astigmatisms generated by returning beams
SANKYO SEIKI SEISAKUSHO KK11 citations72
US4943129AJul 24, 1990
Tapered optical waveguide, waveguide type optical head using same and optical waveguide
SANKYO SEIKI SEISAKUSHO KK8 citations72
US5793733AAug 11, 1998
Polarizing beam splitter and method for manufacturing same
SANKYO SEIKI SEISAKUSHO KK9 citations71
US6961297B2Nov 1, 2005
Optical head device
SANKYO SEIKI SEISAKUSHO KK3 citations63
US6489599B2Dec 3, 2002
Optical pickup device
SANKYO SEIKI SEISAKUSHO KK4 citations63
US6151288ANov 21, 2000
Optical head assembly
SANKYO SEIKI SEISAKUSHO KK4 citations63
NIDEC SANKYO CORP
11 patentsUS11271465B2Mar 8, 2022
Actuator having a viscoelastic member arranged for a moveable body
NIDEC SANKYO CORP8 citations85
US10951104B2Mar 16, 2021
Linear actuator
NIDEC SANKYO CORP13 citations85
US10411575B2Sep 10, 2019
Linear actuator
NIDEC SANKYO CORP10 citations84
US7986873B2Jul 26, 2011
Optical unit with shake correcting function and shake correction control method therefor
NIDEC SANKYO CORP12 citations84
US12066641B2Aug 20, 2024
Optical unit with shake correction function and portable device comprising optical unit
NIDEC SANKYO CORP2 citations73
US11409124B2Aug 9, 2022
Optical module having image shake correction function
NIDEC SANKYO CORP4 citations73
US10252295B2Apr 9, 2019
Linear actuator
NIDEC SANKYO CORP4 citations73
US11070120B2Jul 20, 2021
Actuator
NIDEC SANKYO CORP2 citations72
US10298093B2May 21, 2019
Tubular motor, control method for brushless motor, and motor equipped with brake
NIDEC SANKYO CORP6 citations68
US11329540B2May 10, 2022
Actuator
NIDEC SANKYO CORP1 citations62
US11217375B2Jan 4, 2022
Actuator
NIDEC SANKYO CORP1 citations62
TAKEDA TADASHI
5 patentsUS4253226AMar 3, 1981
Method for mounting up a plastic fastener
TAKEDA TADASHI54 citations96
USD664891SAug 7, 2012
Male part of a snap button
TAKEDA TADASHI46 citations94
USD665304SAug 14, 2012
Female part of a snap button
TAKEDA TADASHI29 citations92
US4430777AFeb 14, 1984
Socket component for snap fastener
TAKEDA TADASHI30 citations92
US4785508ANov 22, 1988
Female member of snap fastener
TAKEDA TADASHI19 citations74
MINAMISAWA SHINJI
3 patentsTSURUTA TOSHIFUMI
2 patentsYANAGISAWA KATSUSHIGE
2 patentsNIPPON STEEL CORP
2 patentsEC SHOWA DENKO K K
2 patentsNAGATA AKIHIRO
1 patentTAKEDA SEIKI CO LTD
1 patentWADE TATSUKI
1 patentALPS ELECTRIC CO LTD
1 patentSAMSUNG ELECTRONICS CO LTD
1 patentShowing the top 50 of 66 patents by PatentIndex Score.