Masao Ohyama

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Disc recording and/or reproducing apparatus with a liftable optical...
- Patent number 5,995,467
- Issue date Nov 30, 1999
- Sony Corporation
- Masao Ohyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Cleaning device for magnetic tape recording and/or reproducing appa...
- Patent number 5,835,317
- Issue date Nov 10, 1998
- Sony Corporation
- Kenji Kawakami
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic tape cassette with tape protective closure and lock mechanism
- Patent number RE34927
- Issue date May 2, 1995
- Sony Corporation
- Hiroshi Meguro
- 360 - Dynamic magnetic information storage or retrieval
Information Patent Grant
Cassette holder assembly having multiple projections differentiated...
- Patent number 5,162,956
- Issue date Nov 10, 1992
- Sony Corporation
- Masashi Emori
- G11 - INFORMATION STORAGE
Information Patent Grant
Slider lock braking mechanism for setting modes in tape player
- Patent number 5,126,909
- Issue date Jun 30, 1992
- Sony Corporation
- Tatsuya Mototake
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic tape cassette loading system in recording and/or reproduci...
- Patent number 4,935,895
- Issue date Jun 19, 1990
- Sony Corporation
- Masao Ohyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Compact recording and/or reproducing apparatus with oblique rotary...
- Patent number 4,908,723
- Issue date Mar 13, 1990
- Sony Corporation
- Masao Ohyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic tape cassette with tape protective closure and lock mechanism
- Patent number 4,881,137
- Issue date Nov 14, 1989
- Sony Corporation
- Hiroshi Meguro
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic tape cassette with tape protective closure and lock mechanism
- Patent number 4,843,510
- Issue date Jun 27, 1989
- Sony Corporation
- Hiroshi Meguro
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape cassette with groove engageable with loading hook
- Patent number 4,816,953
- Issue date Mar 28, 1989
- Sony Corporation
- Masao Ohyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic tape cassette loading system in recording and/or reproduci...
- Patent number 4,799,117
- Issue date Jan 17, 1989
- Sony Corporation
- Masao Ohyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Cassette-type magnetic tape recording and/or reproducing apparatus...
- Patent number 4,777,546
- Issue date Oct 11, 1988
- Sony Corporation
- Tsuyoshi Nagasawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape cassette with concave engagement portion and player with hook...
- Patent number 4,694,360
- Issue date Sep 15, 1987
- Sony Corporation
- Masao Ohyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording and/or reproducing apparatus with tape loading a...
- Patent number 4,685,008
- Issue date Aug 4, 1987
- Sony Corporation
- Masao Ohyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording and reproducing apparatus
- Patent number 4,641,210
- Issue date Feb 3, 1987
- Sony Corporation
- Masao Ohyama
- G11 - INFORMATION STORAGE

Masao Ohyama

Person

Patents Grantslast 30 patents

Disc recording and/or reproducing apparatus with a liftable optical...

Cleaning device for magnetic tape recording and/or reproducing appa...

Magnetic tape cassette with tape protective closure and lock mechanism

Cassette holder assembly having multiple projections differentiated...

Slider lock braking mechanism for setting modes in tape player

Magnetic tape cassette loading system in recording and/or reproduci...

Compact recording and/or reproducing apparatus with oblique rotary...

Magnetic tape cassette with tape protective closure and lock mechanism

Magnetic tape cassette with tape protective closure and lock mechanism

Tape cassette with groove engageable with loading hook

Magnetic tape cassette loading system in recording and/or reproduci...

Cassette-type magnetic tape recording and/or reproducing apparatus...

Tape cassette with concave engagement portion and player with hook...

Magnetic recording and/or reproducing apparatus with tape loading a...

Magnetic recording and reproducing apparatus