Inventor

Yoshimasa Isozaki

Inventor

Hamamatsu, JP

Overview

25→

Patents

1987–2012

Patent span

Physics

Primary field (CPC G)

Patents· 25 as inventor

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

G10Hprimary

G10HElectrophonic musical instruments40%

G10FAutomatic musical instruments12%

G09BEducational or demonstration appliances10%

G10GRepresentation of music7%

G10CPianos, harpsichords, spinets or similar stringed musical instruments with one or more keyboards5%

G11BInformation storage based on relative movement between record carrier and transducer5%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

B60LPropulsion of electrically-propelled vehicles2%

B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general2%

B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for2%

PatentTitleYear

8,331,580'Engine speed calculation device and engine sound generation device'2012 RE041757'Sound source system based on computer software and method of generating acoustic waveform data'2010 7,633,004'Onboard music reproduction apparatus and music information distribution system'2009 7,528,316'Musical sound generating vehicular apparatus, musical sound generating method and program'2009 7,509,488'Server apparatus, communication terminal apparatus, delivery system and delivery program'2009 7,189,911'Electronic musical apparatus having interface for connecting to communication network'2007 7,122,731'Musical information processing terminal, control method therefor, and program for implementing the method'2006 6,872,877'Musical tone-generating method'2005 6,646,644'Tone and picture generator device'2003 6,534,701'Memory card with music performance function'2003 6,459,432'Tone and picture generator device'2002 6,452,082'Musical tone-generating method'2002 6,310,279'Device and method for generating a picture and/or tone on the basis of detection of a physical event from performance information'2001 6,245,982'Performance image information creating and reproducing apparatus and method'2001 6,225,545'Musical image display apparatus and method storage medium therefor'2001 5,981,860'Sound source system based on computer software and method of generating acoustic waveform data'1999 5,955,691'Software sound source'1999 5,850,050'Method and apparatus for generating musical tones, method and apparatus for processing music data, method and apparatus reproducing processed music data and storage media for practicing same'1998 5,739,450'Keyboard musical instrument equipped with dummy key/hammer event supplementing system'1998 5,652,399'Automatic player piano and estimator for acceleration of depressed key incorporated in the automatic player piano'1997 5,357,047'Method and device for converting source piano playing data for automatic playing piano'1994 5,072,644'Synthetic recording device in an automatic performance piano'1991 4,744,281'Automatic sound player system having acoustic and electronic sound sources'1988 4,724,736'Keyboard musical instruments with transpositional function'1988 4,704,931'Acoustic tone inhibiting means for keyboard musical instrument'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1988Patents assigned to NIPPON MUSICAL INSTRUMENTS MFG (2)· patent assignee history

1987–2010Based in Hamamatsu, JP· patent location history

1988–2012Patents assigned to YAMAHA CORP (21)· patent assignee history

1988–2012Based in Shizuoka, JP· patent location history

2001Based in Hamamtsu, JP· patent location history

2002Patents assigned to YAHAMA CORP (1)· patent assignee history

2003–2009Based in Hamakita, JP· patent location history

2012Patents assigned to ISOZAKI YOSHIMASA (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
YAMAHA CORP	21	1988–2012
NIPPON MUSICAL INSTRUMENTS MFG	2	1987–1988
ISOZAKI YOSHIMASAself	1	2012
YAHAMA CORP	1	2002

Locations

Location	Patents	Span
Hamamatsu, JP	16	1987–2010
Shizuoka, JP	6	1988–2012
Hamakita, JP	2	2003–2009
Hamamtsu, JP	1	2001