P

Inventor

YAMAMOTO MAKOTO

JP258 patents
⚠️ This page may combine multiple inventors who share the name “YAMAMOTO MAKOTO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

YOZAN INC

19 patents
US5388063AFeb 7, 1995

Filter circuit with switchable finite impulse response and infinite impulse response filter characteristics

YOZAN INC166 citations99
US5812546ASep 22, 1998

Demodulator for CDMA spread spectrum communication using multiple pn codes

YOZAN INC105 citations98
US5381352AJan 10, 1995

Circuit for multiplying an analog value by a digital value

YOZAN INC109 citations98
US6370130B1Apr 9, 2002

Spread spectrum communication system

YOZAN INC75 citations96
US5610993AMar 11, 1997

Method of co-centering two images using histograms of density change

YOZAN INC60 citations96
US5351304ASep 27, 1994

Fingerprint data registration method

YOZAN INC66 citations96
US5239590AAug 24, 1993

Fingerprint verification method

YOZAN INC65 citations96
US6212219B1Apr 3, 2001

Spread spectrum communication system

YOZAN INC32 citations93
US5974038AOct 26, 1999

Receiver for code division multiple access communication system

YOZAN INC51 citations93
US5781584AJul 14, 1998

Code acquisition and tracking circuit using switched matched filter and sliding correlators

YOZAN INC43 citations93
US5774008AJun 30, 1998

Computational circuit

YOZAN INC19 citations93
US5664069ASep 2, 1997

Data processing system

YOZAN INC20 citations93
US5563812AOct 8, 1996

Filter device including analog and digital circuitry

YOZAN INC21 citations93
US5553196ASep 3, 1996

Method for processing data using a neural network having a number of layers equal to an abstraction degree of the pattern to be processed

YOZAN INC24 citations93
US5420806AMay 30, 1995

Multiplication circuit for multiplying analog signals by digital signals

YOZAN INC31 citations93
US5408422AApr 18, 1995

Multiplication circuit capable of directly multiplying digital data with analog data

YOZAN INC22 citations93
US5261008ANov 9, 1993

Fingerprint verification method

YOZAN INC32 citations93
US5930290AJul 27, 1999

Spread spectrum communications system for high-speed communications

YOZAN INC26 citations92
US6169771B1Jan 2, 2001

Matched filter for spread spectrum communication systems and hybrid analog-digital transversal filter

YOZAN INC22 citations91

NIPPON CONLUX CO LTD

5 patents

MITSUBISHI ELECTRIC CORP

5 patents

SEGA ENTERPRISES KK

4 patents

NIPPON ZEON CO

3 patents

VICTOR COMPANY OF JAPAN

2 patents

BRIDGESTONE CORP

2 patents

NIPPON TELEGRAPH & TELEPHONE

1 patent

KOMATSU MFG CO LTD

1 patent

EZEL INC

1 patent

PANASONIC CORP

1 patent

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

1 patent

SANKEN ELECTRIC CO LTD

1 patent

MURATA MACHINERY LTD

1 patent

TOKAI RIKA CO LTD

1 patent

SHOFU KK

1 patent

NAT STARCH CHEM CORP

1 patent

Showing the top 50 of 258 patents by PatentIndex Score.