Ryushi Shimokawa

Person

Fuchu-shi, Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Signal processing circuit and information recording/reproducing app...
- Patent number 6,661,594
- Issue date Dec 9, 2003
- Hitachi, Ltd.
- Naoki Satoh
- G11 - INFORMATION STORAGE
Information Patent Grant
Signal processing circuit and information recording/reproducing app...
- Patent number 5,818,655
- Issue date Oct 6, 1998
- Hitachi, Ltd.
- Naoki Satoh
- G11 - INFORMATION STORAGE
Information Patent Grant
Phase lock loop system including a primary phase lock loop apparatu...
- Patent number 5,805,024
- Issue date Sep 8, 1998
- Hitachi, Ltd.
- Terumi Takashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Digital signal processor, error detection method, and recording med...
- Patent number 5,774,470
- Issue date Jun 30, 1998
- Hitachi, Ltd.
- Takushi Nishiya
- G11 - INFORMATION STORAGE
Information Patent Grant
Amplifier and display using the former
- Patent number 4,888,561
- Issue date Dec 19, 1989
- Hitachi, Ltd.
- Ryushi Shimokawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Amplifier and display using the former
- Patent number 4,755,768
- Issue date Jul 5, 1988
- Hitachi, Ltd.
- Ryushi Shimokawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Camera with microprocessor
- Patent number 4,492,450
- Issue date Jan 8, 1985
- Konishiroku Photo Industry Co., Ltd.
- Koji Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Battery level warning device
- Patent number 4,269,494
- Issue date May 26, 1981
- Kazuo Shiozawa
- G01 - MEASURING TESTING
Information Patent Grant
Camera having an automatic exposure control means
- Patent number 4,268,136
- Issue date May 19, 1981
- Konishiroku Photo Industry Co., Ltd.
- Haruji Ishihara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Power supply resetting circuit for camera
- Patent number 4,198,142
- Issue date Apr 15, 1980
- Konishiroku Photo Industry Co., Ltd.
- Michio Yagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Digital comparator constructed of IIL
- Patent number 4,180,797
- Issue date Dec 25, 1979
- Hitachi, Ltd.
- Ryushi Shimokawa
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Signal processing circuit and information recording/reproducing app...
- Publication number 20030035236
- Publication date Feb 20, 2003
- Hitachi, Ltd.
- Naoki Satoh
- G11 - INFORMATION STORAGE
Information Patent Application
Signal processing circuit and information recording/reproducing app...
- Publication number 20010009483
- Publication date Jul 26, 2001
- Naoki Satoh
- G11 - INFORMATION STORAGE

Ryushi Shimokawa

Person

Patents Grantslast 30 patents

Signal processing circuit and information recording/reproducing app...

Signal processing circuit and information recording/reproducing app...

Phase lock loop system including a primary phase lock loop apparatu...

Digital signal processor, error detection method, and recording med...

Amplifier and display using the former

Amplifier and display using the former

Camera with microprocessor

Battery level warning device

Camera having an automatic exposure control means

Power supply resetting circuit for camera

Digital comparator constructed of IIL

Patents Applicationslast 30 patents

Signal processing circuit and information recording/reproducing app...

Signal processing circuit and information recording/reproducing app...