P

Inventor

IKEDA HIROYUKI

JP141 patents
⚠️ This page may combine multiple inventors who share the name “IKEDA HIROYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FUJITSU LTD

17 patents
US5088817AFeb 18, 1992

Biological object detection apparatus

FUJITSU LTD175 citations99
US5077803ADec 31, 1991

Biological detecting system and fingerprint collating system employing same

FUJITSU LTD162 citations99
US5109428AApr 28, 1992

Minutia data extraction in fingerprint identification

FUJITSU LTD205 citations98
US4728186AMar 1, 1988

Uneven-surface data detection apparatus

FUJITSU LTD142 citations97
US5266788ANov 30, 1993

Laser scanner for bar code reader having a transparent light guide plate

FUJITSU LTD73 citations96
US4924085AMay 8, 1990

Uneven-surface data detection apparatus

FUJITSU LTD140 citations96
US4647143AMar 3, 1987

Light-beam scanning apparatus

FUJITSU LTD101 citations96
US5231277AJul 27, 1993

Optical scanner using plannar reflecting holograms

FUJITSU LTD24 citations93
US4848862AJul 18, 1989

Laser beam scanner

FUJITSU LTD44 citations93
US4832464AMay 23, 1989

Optical system with grating lens assembly for correcting wavelength aberrations

FUJITSU LTD46 citations93
US4810046AMar 7, 1989

Light beam scanning apparatus

FUJITSU LTD40 citations93
US4957336ASep 18, 1990

Laser beam scanner and its fabricating method

FUJITSU LTD51 citations92
US4165464AAug 21, 1979

Light scanning system

FUJITSU LTD39 citations92
US4639070AJan 27, 1987

Beam scanning type information readout device

FUJITSU LTD34 citations90
US4948213AAug 14, 1990

Beam scanner

FUJITSU LTD22 citations81
US4235504ANov 25, 1980

Holographic disk scanner

FUJITSU LTD20 citations81
US4904033AFeb 27, 1990

Method for constructing holograms

FUJITSU LTD21 citations80

SONY CORP

6 patents

OPTEX CO LTD

5 patents

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

4 patents

RISO KAGAKU CORP

3 patents

IBM

2 patents

NSK LTD

2 patents

LAUREL BANK MACHINE CO

1 patent

NIPPON MEKTRON KK

1 patent

MITSUBISHI CHEM CORP

1 patent

KITAGAWA IND CO LTD

1 patent

MITSUBISHI MINING & CEMENT CO

1 patent

SUMITOMO HEAVY INDUSTRIES

1 patent

UBE INDUSTRIES

1 patent

MITSUBISHI RAYON CO

1 patent

RENESAS TECH CORP

1 patent

TOUYA TAKANAO

1 patent

IKEDA HIROYUKI

1 patent

Showing the top 50 of 141 patents by PatentIndex Score.