P

Inventor

YAMADA AKIRA

JP297 patents
⚠️ This page may combine multiple inventors who share the name “YAMADA AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CANON KK

15 patents
US5280312AJan 18, 1994

Visual axis detection apparatus

CANON KK64 citations96
US5245371ASep 14, 1993

Camera provided with a visual axis direction detecting portion

CANON KK61 citations96
US5214466AMay 25, 1993

Camera having visual axis detecting apparatus

CANON KK63 citations96
US4950527AAug 21, 1990

Structure of joining printed circuit boards and process for producing the same

CANON KK55 citations96
US4862208AAug 29, 1989

Information transmitting device for camera

CANON KK66 citations96
US4795079AJan 3, 1989

Structure of joining printed circuit boards and process for producing the same

CANON KK54 citations96
US4774401ASep 27, 1988

Light measuring device variably controlled according to focus mode selection

CANON KK64 citations96
US5797046AAug 18, 1998

Visual axis controllable optical apparatus including a visual axis detecting device for detecting a visual axis

CANON KK29 citations93
US5692222ANov 25, 1997

Camera having focus detection device

CANON KK21 citations93
US5634141AMay 27, 1997

Visual axis detection device capable of reducing detection errors due to variations of eyes among individuals

CANON KK24 citations93
US5600399AFeb 4, 1997

Optical apparatus and camera for controlling a plurality of functions by using a visual axis

CANON KK23 citations93
US5485241AJan 16, 1996

Optical equipment with device for detecting direction of visual axis

CANON KK48 citations93
US5473403ADec 5, 1995

Camera having a multi-point focus detecting device

CANON KK30 citations93
US5367153ANov 22, 1994

Apparatus for detecting the focus adjusting state of an objective lens by performing filter processing

CANON KK43 citations93
US5296888AMar 22, 1994

Sight axis detection apparatus

CANON KK39 citations93

MITSUBISHI ELECTRIC CORP

13 patents

RENESAS TECH CORP

3 patents

IOLAB CORP

3 patents

VAIDYANATHAN RAVICHANDER

2 patents

FUJITSU LTD

2 patents

NTT DOCOMO INC

2 patents

TOA GOSEI CHEM IND

1 patent

HITACHI LTD

1 patent

BRIDGESTONE CORP

1 patent

RCA CORP

1 patent

TT GOVERNMENT SOLUTIONS INC

1 patent

MITSUBISHI HEAVY IND LTD

1 patent

HONDA MOTOR CO LTD

1 patent

JAPAN RADIO CO LTD

1 patent

FUJISAWA PHARMACEUTICAL CO

1 patent

CHIRON VISION CORP

1 patent

Showing the top 50 of 297 patents by PatentIndex Score.