Inventor
Hiroshi Yamagata
Inventor
Iwata, JP
Overview
Patents· 50 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Tprimary
Y10TTechnical subjects covered by former us classification16%
F02FCylinders, pistons or casings, for combustion engines11%
B22DCasting of metals7%
C23CCoating metallic material7%
F05CIndexing scheme relating to materials, material properties or material characteristics for machines, engines or pumps other than non-positive-displacement machines or engines6%
H04NPictorial communication, e.g. television5%
F02BInternal-combustion piston engines4%
C22CAlloys4%
F16JPistons4%
B21KMaking forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels3%
PatentTitleYear
10,213,829Cylinder liner and method for producing same20199,427,801'Cylinder liner and method for producing same'20168,879,752'Microphone'20148,724,839'Unidirectional microphone'20148,391,531'Condenser microphone'20138,358,259'Liquid crystal display device'20138,312,856'Forged piston, internal combustion engine, transportation apparatus and method of making the forged piston'20128,047,174'Internal combustion engine component and method for producing the same'20118,011,271'Fracture split-type connecting rod, internal combustion engine, transportation apparatus, and production method for fracture split-type connecting rod'20117,839,457'Display image correcting device, image display device, and display image correcting method'20107,802,493'Connecting rod, internal combustion engine, automotive vehicle, and production method for connecting rod'20107,765,977'Engine component part and method for producing the same'20107,757,584'Connecting rod and internal combustion engine and automotive vehicle incorporating the same'20107,453,498'Electronic image capture device and image file format providing raw and processed image data'20087,412,955'Engine component part and method for producing the same'20087,390,023'Motorcycle fuel tank'20087,202,355'DNA sequence regulating plant fruit-specific expression'20077,171,012'Microphone'20076,561,322'Plated wear surface for alloy components and methods of manufacturing the same'20036,332,357'Suction-type liquid measuring device and method of feeding molten fluid utilizing same'20016,259,485'Sync separating circuit'20016,226,046'Video signal discriminating circuit and television receiver'20016,209,446'Piston for internal combustion engine and process of making same'20016,205,836'Method for manufacturing piston by forging and forging die'20016,070,323'Piston for internal combustion engine and material therefore'20006,032,570'Composite piston for machine'20005,992,015'Process for forming composite piston'19995,949,494'Aspect ratio discrimination apparatus and image display apparatus including the same'19995,648,174'Highly hard thin film and method for production thereof'19975,595,814'Wear resistant film'19975,523,850'Picture signal recording device having adaptive processing circuit for adding color signal and sub-sampled color signal in response to motion signal'19965,497,201'Sync chip clamping/sync separator circuit'19965,423,923'Hard film of amorphous Ti-Si alloy having fine tin particles'19955,405,458'Method of producing hard film of Ti-Si-N composite material'19955,366,564'Hard wear-resistant film and method for production thereof'19945,233,316'Digital voltage controlled oscillator having a ring oscillator with selectable output taps'19935,219,675'Electrolyte for fuel cell'19935,024,721'Method of forming metal surface thin film having high corrosion resistance and high adhesion'19915,015,308'Corrosion-resistant and heat-resistant amorphous aluminum-based alloy thin film and process for producing the same'19915,012,776'Composite cylinder block assembly'19915,010,628'Coupling element row for slide fastener and surface treating method for the same'19914,750,393'Method for punching a cylindrical tube'19884,700,444'Method for making a composite engine cylinder block with preformed liner'19874,637,110'Method for making a composite cylinder block'1987D0282360'Intercommunication unit'1986D0281500'Interphone'1985D0281501'Interphone'1985D0280097'Electronic intercommunications unit'1985D0278706'Power control panel'19854,225,398'Method of improving the corrosion resistance of an anodically oxidized surface film on aluminum articles'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980–1995Patents assigned to YOSHIDA KOGYO KK (7)· patent assignee history
1985–1986Patents assigned to SHARP KK (5)· patent assignee history
1985–2014Based in Osaka, JP· patent location history
1987–2012Patents assigned to YAMAHA MOTOR CO LTD (19)· patent assignee history
1987–2001Based in Iwata, JP· patent location history
1993–2010Patents assigned to SONY CORP (7)· patent assignee history
1993–2010Based in Kanagawa, JP· patent location history
1994–1997Based in Toyama, JP· patent location history
2003–2012Based in Shizuoka, JP· patent location history
2012–2016Patents assigned to YAMAGATA HIROSHI (6)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| YAMAHA MOTOR CO LTD | 19 | 1987–2012 |
| SONY CORP | 7 | 1993–2010 |
| YOSHIDA KOGYO KK | 7 | 1980–1995 |
| YAMAGATA HIROSHIself | 6 | 2012–2016 |
| SHARP KK | 5 | 1985–1986 |
Locations
| Location | Patents | Span |
|---|---|---|
| Iwata, JP | 10 | 1987–2001 |
| Shizuoka, JP | 9 | 2003–2012 |
| Kanagawa, JP | 8 | 1993–2010 |
| Osaka, JP | 6 | 1985–2014 |
| Toyama, JP | 5 | 1994–1997 |