P

Inventor

IKEDA TETSUYA

JP61 patents
⚠️ This page may combine multiple inventors who share the name “IKEDA TETSUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

13 patents
US6088307AJul 11, 2000

Wobble signal detecting circuit, wobble abnormality detecting circuit, information processing apparatus using these circuits and method and recording medium used in the apparatus or method

HITACHI LTD129 citations98
US5388090AFeb 7, 1995

Method, apparatus, and medium for recording information in data sections having number of bytes which increases with increase in circumference of tracks on medium

HITACHI LTD26 citations93
US4689613AAug 25, 1987

Character and pattern display system

HITACHI LTD31 citations93
US4773026ASep 20, 1988

Picture display memory system

HITACHI LTD33 citations89
US4858030AAug 15, 1989

Reproducing apparatus of a video disc player

HITACHI LTD21 citations82
US4748504AMay 31, 1988

Video memory control apparatus

HITACHI LTD20 citations82
US6456579B1Sep 24, 2002

Method for recording information, apparatus for recording information, and information recording medium

HITACHI LTD8 citations74
US5751689AMay 12, 1998

Information recording medium

HITACHI LTD11 citations74
US5539723AJul 23, 1996

Method, apparatus, and medium for recording information in data sections having number of bytes which increase in circumference of tracks on medium

HITACHI LTD10 citations74
US5459710AOct 17, 1995

Apparatus for recording information in data sections having number of bytes which increases with increase in circumference of tracks on medium

HITACHI LTD8 citations74
US4677427AJun 30, 1987

Display control circuit

HITACHI LTD13 citations74
US4404552ASep 13, 1983

Display device for both a character display and a graphic display

HITACHI LTD13 citations73
US6522612B2Feb 18, 2003

Method for recording information, apparatus for recording information and information recording medium

HITACHI LTD2 citations63

MURATA MANUFACTURING CO

9 patents

MITSUBISHI HEAVY IND LTD

4 patents

RICOH KK

4 patents

AISIN SEIKI

4 patents

IKEDA TETSUYA

3 patents

TAKARA CO LTD

2 patents

KISHI HIDENOBU

2 patents

PANASONIC CORP

1 patent

RAYTECH CORP

1 patent

PIOLAX INC

1 patent

TSUKIZAWA TAKAYUKI

1 patent

KAWAMURA AKIYOSHI

1 patent

MITSUBISHI HEAY IND LTD

1 patent

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

1 patent

SHIMODAIRA SEIJI

1 patent

NISSAN MOTOR

1 patent

Showing the top 50 of 61 patents by PatentIndex Score.