P

Inventor

SASAKI HIROAKI

JP82 patents
⚠️ This page may combine multiple inventors who share the name “SASAKI HIROAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ALPS ELECTRIC CO LTD

21 patents
US4825209AApr 25, 1989

Remote control apparatus

ALPS ELECTRIC CO LTD211 citations99
US4751379AJun 14, 1988

Touch panel coordinate input device having light filter

ALPS ELECTRIC CO LTD58 citations96
US4742221AMay 3, 1988

Optical coordinate position input device

ALPS ELECTRIC CO LTD108 citations96
US4737631AApr 12, 1988

Filter of photoelectric touch panel with integral spherical protrusion lens

ALPS ELECTRIC CO LTD77 citations96
US4868550ASep 19, 1989

Photoelectric touch panel

ALPS ELECTRIC CO LTD48 citations93
US5036182AJul 30, 1991

Bar code reading and decoding apparatus

ALPS ELECTRIC CO LTD24 citations92
US4859840AAug 22, 1989

Code reading apparatus

ALPS ELECTRIC CO LTD26 citations92
US4812642AMar 14, 1989

Optical coordinate system input device

ALPS ELECTRIC CO LTD29 citations92
US4758719AJul 19, 1988

Optical fiber connector having spacing gap for dimensional tolerance

ALPS ELECTRIC CO LTD47 citations92
US5036183AJul 30, 1991

Code reading device

ALPS ELECTRIC CO LTD21 citations82
US4973830ANov 27, 1990

Code reader

ALPS ELECTRIC CO LTD20 citations82
US4769535ASep 6, 1988

Dustproof structure for optical coordinate input apparatus

ALPS ELECTRIC CO LTD23 citations82
US4774404ASep 27, 1988

Optical path blockage detecting device

ALPS ELECTRIC CO LTD22 citations81
US4906830AMar 6, 1990

Bar-code remote-control device

ALPS ELECTRIC CO LTD17 citations74
US4737633AApr 12, 1988

Inclined filter for photoelectric touch panel

ALPS ELECTRIC CO LTD10 citations74
US4737625AApr 12, 1988

Arrangement structure of plural rows of overlapping optical elements

ALPS ELECTRIC CO LTD9 citations74
US4725726AFeb 16, 1988

Optical coordinate input device having waveform shaping circuit

ALPS ELECTRIC CO LTD15 citations74
US4806749AFeb 21, 1989

Optical coordinate system input device

ALPS ELECTRIC CO LTD10 citations73
US4767178AAug 30, 1988

Optical fiber connector having structure for ensuring predetermined spacing of optical elements

ALPS ELECTRIC CO LTD17 citations73
US4748319AMay 31, 1988

Bar code scanner

ALPS ELECTRIC CO LTD16 citations73
US4698490AOct 6, 1987

Optical code reader

ALPS ELECTRIC CO LTD6 citations73

CANON KK

14 patents

KAWASAKI STEEL CO

4 patents

NIPPON DENSO CO

2 patents

DENSO CORP

2 patents

HONDA MOTOR CO LTD

2 patents

TOPPAN PRINTING CO LTD

1 patent

MARUYAMA KOHEI

1 patent

NTT ELECTRONICS CORP

1 patent

SMC CORP

1 patent

CALSONIC KANSEI CORP

1 patent

Showing the top 50 of 82 patents by PatentIndex Score.