P

Inventor

ITO TAKAYUKI

JP373 patents
⚠️ This page may combine multiple inventors who share the name “ITO TAKAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ASAHI OPTICAL CO LTD

23 patents
US5724195AMar 3, 1998

Fast super wide-angle lens system

ASAHI OPTICAL CO LTD61 citations96
US5477389ADec 19, 1995

Fast ultra-wide angle lens system

ASAHI OPTICAL CO LTD58 citations96
US6333823B1Dec 25, 2001

Zoom lens system

ASAHI OPTICAL CO LTD52 citations93
US6268964B1Jul 31, 2001

Step zoom lens

ASAHI OPTICAL CO LTD28 citations93
US6169635B1Jan 2, 2001

Zoom lens system

ASAHI OPTICAL CO LTD37 citations93
US5877901AMar 2, 1999

Super wide-angle zoom lens

ASAHI OPTICAL CO LTD19 citations93
US5677798AOct 14, 1997

Image forming lens system

ASAHI OPTICAL CO LTD36 citations93
US5663838ASep 2, 1997

Zoom lens system

ASAHI OPTICAL CO LTD25 citations93
US5463499AOct 31, 1995

Zoom lens system

ASAHI OPTICAL CO LTD20 citations93
US5309285AMay 3, 1994

Zoom lens system for use with a compact camera

ASAHI OPTICAL CO LTD20 citations93
US5278699AJan 11, 1994

Zoom lens system

ASAHI OPTICAL CO LTD20 citations93
US5162947ANov 10, 1992

Zoom lens system for use with a compact camera having a wide coverage of angles

ASAHI OPTICAL CO LTD24 citations93
US5033832AJul 23, 1991

High zoom-ratio lens system for covering wide angle for compact camera

ASAHI OPTICAL CO LTD28 citations93
US4984877AJan 15, 1991

High zoom-ratio/zoom lens system for use in a compact camera

ASAHI OPTICAL CO LTD37 citations93
US4917482AApr 17, 1990

Compact zoom lens system capable of high zoom ratio and having coverage of a wide visual field

ASAHI OPTICAL CO LTD34 citations93
US4836660AJun 6, 1989

Zoom lens system for compact camera

ASAHI OPTICAL CO LTD33 citations93
US4818081AApr 4, 1989

Zoom lens system for use in compact camera

ASAHI OPTICAL CO LTD32 citations93
US4720179AJan 19, 1988

Zoom lens system for use with a compact camera

ASAHI OPTICAL CO LTD42 citations93
US6437922B2Aug 20, 2002

Zoom lens system

ASAHI OPTICAL CO LTD39 citations92
US6397009B1May 28, 2002

Zoom lens system and adjusting method of same

ASAHI OPTICAL CO LTD21 citations92
US6369955B1Apr 9, 2002

Zoom lens system

ASAHI OPTICAL CO LTD49 citations92
US5991093ANov 23, 1999

Soft-focus zoom lens system

ASAHI OPTICAL CO LTD19 citations92
US5774748AJun 30, 1998

Zoom lens barrel and camera having such a barret

ASAHI OPTICAL CO LTD43 citations92

TOSHIBA KK

6 patents

FANUC LTD

5 patents

TOHO TITANIUM CO LTD

2 patents

ASAHI SEIMITSU KK

2 patents

DAIKIN IND LTD

1 patent

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

1 patent

ALPS ELECTRIC CO LTD

1 patent

MITSUBISHI ENG PLASTICS CORP

1 patent

ASAHI KOGAKU KOGYO KABUSHIK KA

1 patent

PENTAX CORP

1 patent

FUJI PHOTO FILM CO LTD

1 patent

IBM

1 patent

MITSUBISHI ELECTRIC CORP

1 patent

TOYOTA MOTOR CO LTD

1 patent

KANEMURA KOUICHI

1 patent

TOYODA GOSEI KK

1 patent

Showing the top 50 of 373 patents by PatentIndex Score.