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CHUO-KU, TOKYO, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Auxiliary lenses for eyeglasses
Patent number
RE37545
Issue date
Feb 12, 2002
Contour Optik, Inc.
Richard Chao
351 - Optics: eye examining, vision testing and correcting
Information
Patent Grant
Optical pickup for reading optical disk information provided with e...
Patent number
4,868,377
Issue date
Sep 19, 1989
Asahi Optical Co., Ltd.
Koichiro Nishikawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Electronically controlled camera
Patent number
4,855,772
Issue date
Aug 8, 1989
Asahi Optical Co., Ltd.
Isamu Hashimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Display device for indicating the setting of a zoom lens
Patent number
4,855,782
Issue date
Aug 8, 1989
Asahi Optical Co. Ltd.
Takeo Kobayashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Reference position-detecting device for photoelectric encoder
Patent number
4,678,910
Issue date
Jul 7, 1987
Asahi Optical Co., Ltd.
Masato Hara
G01 - MEASURING TESTING
Information
Patent Grant
Method for producing a plastic lens using tertiary alkyl peroxy all...
Patent number
4,590,248
Issue date
May 20, 1986
Nippon Oil and Fats Co., Ltd.
Yasuo Moriya
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Small size telephoto lens
Patent number
4,550,987
Issue date
Nov 5, 1985
Asahi Optical Co., Ltd.
Satoru Tachihara
G02 - OPTICS
Information
Patent Grant
Method and device for use in detecting a precise focusing point
Patent number
4,008,965
Issue date
Feb 22, 1977
Asahi Optical Co., Ltd.
Tsukumo Nobusawa
G02 - OPTICS
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
74386378 - PENTAX
Serial number
74386378
Registration number
1816790
Filing date
Apr 26, 1993
Asahi Optical Co., Ltd.
11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information
Trademark
73583036 - APACERAM
Serial number
73583036
Registration number
1439859
Filing date
Feb 18, 1986
ASAHI OPTICAL CO., LTD.
10 - Surgical, medical, dental and veterinary apparatus and instruments, artificial limbs, eyes and teeth
Information
Trademark
73580201 - PENTAX
Serial number
73580201
Registration number
1451757
Filing date
Jan 28, 1986
ASAHI OPTICAL CO., LTD.
6 - Common metals and their alloys
Information
Trademark
73566802 - P3
Serial number
73566802
Registration number
1397503
Filing date
Nov 4, 1985
ASAHI OPTICAL CO., LTD.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73566791 - A3000
Serial number
73566791
Registration number
1419816
Filing date
Nov 4, 1985
ASAHI OPTICAL CO., LTD.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
72254366 - NOCTA
Serial number
72254366
Registration number
849783
Filing date
Sep 13, 1966
ASAHI OPTICAL COMPANY, LTD.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
72174738 - SPOTMATIC
Serial number
72174738
Registration number
772268
Filing date
Aug 9, 1963
Asahi Optical Company, Ltd.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
72036989 - ASAHI PENTAX
Serial number
72036989
Registration number
686614
Filing date
Sep 11, 1957
ASAHI OPTICAL CO., LTD.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments