Inventor

Yasuji Uchiyama

Inventor

Hamamatsu, JP

Overview

1976–1990

Patent span

Physics

Primary field (CPC G)

Patents· 33 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G10Hprimary

G10HElectrophonic musical instruments67%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests28%

G11CStatic stores2%

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light2%

PatentTitleYear

4,947,723'Tone signal generation device having a tone sampling function'1990 4,788,896'Tone Generator having a variable number of channels with a variable number of operating units'1988 4,779,228'Sequential-access memory'1988 4,747,332'Electronic musical instrument forming tones by wave computation'1988 4,616,546'Electronic musical instrument forming tones by wave computation'1986 4,524,668'Electronic musical instrument capable of performing natural slur effect'1985 4,424,732'Electronic musical instrument with intermanual performance faculty'1984 RE031090'Electronic musical instrument'1982 4,333,374'Submultiple-related-frequency wave generator'1982 4,321,850'Electronic musical instrument with highest priority key tone production'1982 4,315,451'Electronic musical instrument with automatic accompaniment device'1982 4,308,779'Control waveform generators for electronic musical instruments'1982 4,235,142'Electronic musical instrument of time-shared digital processing type'1980 4,232,581'Automatic accompaniment apparatus'1980 4,228,712'Key code data generator'1980 4,228,403'Submultiple-related-frequency wave generator'1980 4,223,584'Electronic musical instrument'1980 4,218,948'Electronic musical instrument of key code processing type'1980 4,217,804'Electronic musical instrument with automatic arpeggio performance device'1980 4,204,452'Single key preferential selection device in electronic musical instrument'1980 4,192,211'Electronic musical instrument'1980 4,186,640'Electronic musical instrument'1980 4,122,743'Electronic musical instrument with glide'1978 4,109,208'Waveform producing system'1978 4,064,778'Frequency-deviation method and apparatus'1977 4,036,096'Musical tone waveshape generator'1977 4,033,221'Key switch system'1977 4,026,180'Electronic musical instrument'1977 3,979,996'Electronic musical instrument'1976 3,979,989'Electronic musical instrument'1976 3,973,462'Frequency-deviation method and apparatus'1976 3,973,223'Frequency-deviation method and apparatus'1976 3,943,465'Frequency-deviation method and apparatus'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1988Patents assigned to NIPPON MUSICAL INSTRUMENTS MFG (30)· patent assignee history

1976Patents assigned to US NAVY (1)· patent assignee history

1976–1984Based in Hamakita, JP· patent location history

1980–1990Based in Hamamatsu, JP· patent location history

1985Based in Shizuoka, JP· patent location history

1990Patents assigned to YAMAHA CORP (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NIPPON MUSICAL INSTRUMENTS MFG	30	1976–1988
US NAVY	1	1976
YAMAHA CORP	1	1990

Locations

Location	Patents	Span
Hamamatsu, JP	16	1980–1990
Hamakita, JP	16	1976–1984
Shizuoka, JP	1	1985