Masutomi Ohta

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Multi-screen projector
- Patent number 5,085,495
- Issue date Feb 4, 1992
- Hitachi, Ltd.
- Yoshiaki Iwahara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Code signal generator or detector for video frame code
- Patent number 4,587,521
- Issue date May 6, 1986
- Hitachi, Ltd.
- Masutomi Ohta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus for receiving multiplex information signal
- Patent number 4,384,304
- Issue date May 17, 1983
- Hitachi, Ltd.
- Masutomi Ohta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Security system and security apparatus
- Publication number 20020187791
- Publication date Dec 12, 2002
- Hitachi, Ltd.
- Masutomi Ohta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Domestic electrical apparatus, subscriber registering method, order...
- Publication number 20020116342
- Publication date Aug 22, 2002
- Yasuhiro Hirano
- G06 - COMPUTING CALCULATING COUNTING