P

Inventor

ISHII SATOSHI

JP138 patents
⚠️ This page may combine multiple inventors who share the name “ISHII SATOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CANON KK

21 patents
US5666196ASep 9, 1997

Optical detection apparatus for detecting information relating to relative displacement of an object on whch a diffraction grating is formed

CANON KK174 citations99
US5129725AJul 14, 1992

Method of optically detecting position of object and position detecting apparatus using the method

CANON KK123 citations97
US5066130ANov 19, 1991

Displacement measuring apparatus

CANON KK57 citations96
US5021649AJun 4, 1991

Relief diffraction grating encoder

CANON KK81 citations96
US5680211AOct 21, 1997

Apparatus for optically detecting displacement of an object using a synthesizing means utilizing a substrate with two diffraction gratings thereon

CANON KK41 citations93
US5657125AAug 12, 1997

Apparatus including a light-detecting element having a photo-electric conversion surface and an integral light blocking member

CANON KK27 citations93
US5557396ASep 17, 1996

Velocity information detecting apparatus

CANON KK33 citations93
US5483377AJan 9, 1996

Displacement detection apparatus

CANON KK33 citations93
US5438586AAug 1, 1995

Apparatus with light-emitting element and method for producing it

CANON KK27 citations93
US5235406AAug 10, 1993

Object displacement detection

CANON KK28 citations93
US5127035AJun 30, 1992

Pulse counter circuit and displacement measuring device

CANON KK25 citations93
US5051579ASep 24, 1991

Optical scale encoder with light intensity alarm

CANON KK29 citations93
US5038032AAug 6, 1991

Encoder incorporating a displaceable diffraction grating

CANON KK33 citations93
US5026985AJun 25, 1991

Method and apparatus for detecting a reference position of a rotating scale with two sensors

CANON KK24 citations93
US5000542AMar 19, 1991

Optical type encoder

CANON KK26 citations93
US4979826ADec 25, 1990

Displacement measuring apparatus

CANON KK44 citations93
US4970388ANov 13, 1990

Encoder with diffraction grating and multiply diffracted light

CANON KK28 citations93
US4930895AJun 5, 1990

Encoder for forming interference fringes by re-diffracted lights from an optical type scale and photoelectrically converting the interference fringes to thereby detect the displacement of the scale

CANON KK48 citations93
US5537210AJul 16, 1996

Rotation detecting apparatus and scale having a multi helix diffraction grating for the same

CANON KK27 citations92
US5534693AJul 9, 1996

Optical displacement detection apparatus employing diffraction gratings and a reference position sensor located on the scale

CANON KK52 citations92
US5448358ASep 5, 1995

Optical apparatus and displacement-information measuring apparatus using the same

CANON KK34 citations92

SINAI SCHOOL MEDICINE

8 patents

TOYOTA MOTOR CO LTD

3 patents

SNOW BRAND MILK PRODUCTS CO LTD

3 patents

PIONEER ELECTRONIC CORP

2 patents

HITACHI GLOBAL STORAGE TECH

2 patents

MOUNT SINAI SCHOOL OF NEW YORK

1 patent

AIWA CO

1 patent

AMICUS THERAPEUTICS INC

1 patent

KIM KONG

1 patent

NIPPON DENSO CO

1 patent

PURDUE RESEARCH FOUNDATION

1 patent

FUJITSU TEN LTD

1 patent

MITA INDUSTRIAL CO LTD

1 patent

NEC CORP

1 patent

FAN JIAN-QIANG

1 patent

MATSUI MFG CO

1 patent

Showing the top 50 of 138 patents by PatentIndex Score.