Hirofumi Matsuo

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Focus detecting apparatus for a telescope system
- Patent number 5,877,892
- Issue date Mar 2, 1999
- Asahi Seimitsu Kabushiki Kaisha
- Satoru Nakamura
- G02 - OPTICS
Information Patent Grant
Inner focus type telescope
- Patent number 5,796,517
- Issue date Aug 18, 1998
- Asahi Seimitsu Kabushiki Kaisha
- Takayuki Sensui
- G02 - OPTICS
Information Patent Grant
Lens shutter camera including zoom lens
- Patent number 5,673,099
- Issue date Sep 30, 1997
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Keisuke Haraguchi
- G02 - OPTICS
Information Patent Grant
Device for adjusting the diopter setting of a finder assembly
- Patent number 5,625,487
- Issue date Apr 29, 1997
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Sachio Hasushita
- G02 - OPTICS
Information Patent Grant
Device for adjusting the diopter setting of a finder assembly
- Patent number 5,621,568
- Issue date Apr 15, 1997
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Sachio Hasushita
- G02 - OPTICS
Information Patent Grant
Telescope with rear converter and rear conversion lens and telescope
- Patent number 5,589,976
- Issue date Dec 31, 1996
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Moriyasu Kanai
- G02 - OPTICS
Information Patent Grant
Lens shutter camera including zoom lens
- Patent number 5,583,596
- Issue date Dec 10, 1996
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Keisuke Haraguchi
- G02 - OPTICS
Information Patent Grant
Lens shutter camera including zoom lens
- Patent number 5,465,131
- Issue date Nov 7, 1995
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Keisuke Haraguchi
- G02 - OPTICS
Information Patent Grant
Roof surface measuring apparatus
- Patent number 5,379,105
- Issue date Jan 3, 1995
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Makoto Iki
- G01 - MEASURING TESTING
Information Patent Grant
Albada type zoom finder
- Patent number 5,353,158
- Issue date Oct 4, 1994
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Hirofumi Matsuo
- G02 - OPTICS
Information Patent Grant
Lens shutter camera including zoom lens
- Patent number 5,276,475
- Issue date Jan 4, 1994
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Keisuke Haraguchi
- G02 - OPTICS
Information Patent Grant
Lens shutter camera including zoom lens
- Patent number 5,264,885
- Issue date Nov 23, 1993
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Keisuke Haraguchi
- G02 - OPTICS
Information Patent Grant
Ocular lens system
- Patent number 5,162,945
- Issue date Nov 10, 1992
- Asahi Kogaku Kogyo K.K.
- Hirofumi Matsuo
- G02 - OPTICS
Information Patent Grant
Lens shutter camera including zoom lens
- Patent number 5,157,429
- Issue date Oct 20, 1992
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Keisuke Haraguchi
- G02 - OPTICS
Information Patent Grant
Lens shutter camera including zoom lens
- Patent number 5,150,145
- Issue date Sep 22, 1992
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Keisuke Haraguchi
- G02 - OPTICS
Information Patent Grant
Lens shutter type of camera including zoom lens
- Patent number 5,142,315
- Issue date Aug 25, 1992
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Keisuke Haraguchi
- G02 - OPTICS
Information Patent Grant
Lens shutter camera including zoom lens
- Patent number 4,944,030
- Issue date Jul 24, 1990
- Asahi Kogaku Kogyo K.K.
- Keisuke Haraguchi
- G02 - OPTICS
Information Patent Grant
Macro lens system
- Patent number 4,923,292
- Issue date May 8, 1990
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Hirofumi Matsuo
- G02 - OPTICS
Information Patent Grant
Compact zoom lens system
- Patent number 4,871,241
- Issue date Oct 3, 1989
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Hirofumi Matsuo
- G02 - OPTICS
Information Patent Grant
Telephoto zoom lens system
- Patent number 4,740,063
- Issue date Apr 26, 1988
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Takayuki Itoh
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
LIGHT SOURCE DEVICE AND PROJECTION TYPE DISPLAY APPARATUS
- Publication number 20120033421
- Publication date Feb 9, 2012
- Mitsubishi Electric Corporation
- Kuniko Kojima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Hirofumi Matsuo

Person

Patents Grantslast 30 patents

Focus detecting apparatus for a telescope system

Inner focus type telescope

Lens shutter camera including zoom lens

Device for adjusting the diopter setting of a finder assembly

Device for adjusting the diopter setting of a finder assembly

Telescope with rear converter and rear conversion lens and telescope

Lens shutter camera including zoom lens

Lens shutter camera including zoom lens

Roof surface measuring apparatus

Albada type zoom finder

Lens shutter camera including zoom lens

Lens shutter camera including zoom lens

Ocular lens system

Lens shutter camera including zoom lens

Lens shutter camera including zoom lens

Lens shutter type of camera including zoom lens

Lens shutter camera including zoom lens

Macro lens system

Compact zoom lens system

Telephoto zoom lens system

Patents Applicationslast 30 patents

LIGHT SOURCE DEVICE AND PROJECTION TYPE DISPLAY APPARATUS