Inventor
Shigeaki Sato
Inventor
Hamamatsu, JP
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G10Cprimary
G10CPianos, harpsichords, spinets or similar stringed musical instruments with one or more keyboards17%
G10HElectrophonic musical instruments13%
C02FTreatment of water, waste water, sewage, or sludge7%
G10FAutomatic musical instruments7%
G10GRepresentation of music7%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution7%
B01DSeparation3%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%
B23BTurning3%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling3%
PatentTitleYear
7,133,852'Electricity generation equipment management system'20067,060,890'Keyboard musical instrument structure'20067,049,576'Keyboard musical instrument having easily installable optical position transducer with coupler for coupling optical modulator to moving object'20066,933,435'Easily installable optical position transducer and keyboard musical instrument having the same'20056,846,982'Key depression detection apparatus for keyboard instrument'20056,461,512'Method of disinfecting a deionized water producing apparatus and method of producing deionized water'20026,452,079'Keyboard musical instrument equipped with hammer stopper promptly driven for rotation by means of rigid link work'20026,288,313'Keyboard musical instrument having split rear top board and/or visual display unit'20016,221,183'High-strength and low-thermal-expansion alloy, wire of the alloy and method of manufacturing the alloy wire'20015,980,716'Water treatment apparatus for a fuel cell system'19995,649,714'Tool holder'19975,616,880'Keyboard musical instrument equipped with hammer shank stopper where hammer assembly rebounds without deflection of shank'19974,641,565'Upright piano'19874,593,594'Housing for upright pianos'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–1987Patents assigned to NIPPON MUSICAL INSTRUMENTS MFG (2)· patent assignee history
1986–2002Based in Shizuoka, JP· patent location history
1997–2006Patents assigned to YAMAHA CORP (7)· patent assignee history
1999–2006Patents assigned to KURITA WATER IND LTD (3)· patent assignee history
1999Patents assigned to TOKYO GAS CO LTD (1)· patent assignee history
1999Based in Yokohama, JP· patent location history
2001Patents assigned to HITACHI METALS LTD (1)· patent assignee history
2001–2006Based in Hamamatsu, JP· patent location history
2001Based in Tottori, JP· patent location history
2002–2006Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| YAMAHA CORP | 7 | 1997–2006 |
| KURITA WATER IND LTD | 3 | 1999–2006 |
| NIPPON MUSICAL INSTRUMENTS MFG | 2 | 1986–1987 |
| HITACHI METALS LTD | 1 | 2001 |
| TOKYO GAS CO LTD | 1 | 1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hamamatsu, JP | 5 | 2001–2006 |
| Shizuoka, JP | 4 | 1986–2002 |
| Tokyo, JP | 2 | 2002–2006 |
| Tottori, JP | 1 | 2001 |
| Yokohama, JP | 1 | 1999 |