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 patentsUS5388063AFeb 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 patentsUS5421443AJun 6, 1995
Bill processing unit
NIPPON CONLUX CO LTD168 citations99
US5639081AJun 17, 1997
Bill processor
NIPPON CONLUX CO LTD42 citations95
US5564691AOct 15, 1996
Bill processor
NIPPON CONLUX CO LTD46 citations95
US6076648AJun 20, 2000
Bill processing device
NIPPON CONLUX CO LTD17 citations92
US5887695AMar 30, 1999
Bill processor
NIPPON CONLUX CO LTD31 citations92
MITSUBISHI ELECTRIC CORP
5 patentsUS5757696AMay 26, 1998
Fast accessible non-volatile semiconductor memory device
MITSUBISHI ELECTRIC CORP72 citations96
US5646885AJul 8, 1997
Fast accessible non-volatile semiconductor memory device
MITSUBISHI ELECTRIC CORP70 citations96
US5172339ADec 15, 1992
Semiconductor memory device having error checking and correcting circuit and operating method therefor
MITSUBISHI ELECTRIC CORP101 citations96
US5337281AAug 9, 1994
Non-volatile semiconductor memory device in which data can be erased on a block basis and method of erasing data on a block basis in non-volatile semiconductor memory device
MITSUBISHI ELECTRIC CORP54 citations93
US5287317AFeb 15, 1994
Non-volatile semiconductor memory device with over-erasing prevention
MITSUBISHI ELECTRIC CORP32 citations93
SEGA ENTERPRISES KK
4 patentsUS6664965B1Dec 16, 2003
Image processing device and information recording medium
SEGA ENTERPRISES KK45 citations95
US6972756B1Dec 6, 2005
Image generating device
SEGA ENTERPRISES KK31 citations93
US6980207B2Dec 27, 2005
Image processing device and information recording medium
SEGA ENTERPRISES KK16 citations92
US6989829B2Jan 24, 2006
Image processing device and image processing method
SEGA ENTERPRISES KK14 citations91
NIPPON ZEON CO
3 patentsUS4707411ANov 17, 1987
Magnetic paint for magnetic recording media
NIPPON ZEON CO36 citations92
US4600521AJul 15, 1986
Electron-beam reactive magnetic coating composition for magnetic recording media
NIPPON ZEON CO47 citations92
US4594174AJun 10, 1986
Magnetic paint for magnetic recording media
NIPPON ZEON CO38 citations92
VICTOR COMPANY OF JAPAN
2 patentsBRIDGESTONE CORP
2 patentsNIPPON TELEGRAPH & TELEPHONE
1 patentKOMATSU MFG CO LTD
1 patentEZEL INC
1 patentPANASONIC CORP
1 patentMATSUSHITA ELECTRIC INDUSTRIAL CO LTD
1 patentSANKEN ELECTRIC CO LTD
1 patentMURATA MACHINERY LTD
1 patentTOKAI RIKA CO LTD
1 patentSHOFU KK
1 patentNAT STARCH CHEM CORP
1 patentShowing the top 50 of 258 patents by PatentIndex Score.