Inventor
Koichi Hirata
Inventor
Ashikaga, JP
Overview
Patents· 34 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Dprimary
H10DInorganic electric semiconductor devices20%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1010%
F02FCylinders, pistons or casings, for combustion engines7%
F16JPistons7%
F16FSprings6%
F16CShafts4%
F23CMethods or apparatus for combustion using fluid fuel or solid fuel suspended in a carrier gas or air4%
F23DBurners4%
D05BSewing3%
D05DIndexing scheme associated with subclasses d05b and d05c, relating to sewing, embroidering and tufting3%
PatentTitleYear
11,098,893Nozzle structure for hydrogen gas burner apparatus202110,760,636Engine reciprocative rotating mechanism and method for manufacturing the same202010,648,662Nozzle structure for hydrogen gas burner apparatus202010,627,107Hydrogen gas burner structure and hydrogen gas burner device including the same202010,612,615Engine reciprocative rotating mechanism and method for manufacturing the same202010,237,525Display device, method for controlling display device, control program, and recording medium20199,926,998'Piston structure for engine'20189,556,821'Piston structure for engine'20179,347,396'Piston structure for engine'20168,479,249'Display device, program and computer readable storage medium on which said program is stored'20137,640,740'Stirling engine'20107,125,787'Method of manufacturing insulated gate semiconductor device'20067,109,950'Display apparatus'20066,897,126'Semiconductor device manufacturing method using mask slanting from orientation flat'20056,894,371'Semiconductor device'20056,873,828'Compound semiconductor switching device for high frequency switching'20056,867,115'Compound semiconductor device'20056,858,489'Semiconductor device manufacturing method'20056,787,871'Integrated schottky barrier diode and manufacturing method thereof'20046,777,277'Manufacturing method of Schottky barrier diode'20046,727,559'Compound semiconductor device'20046,690,070'Insulated gate semiconductor device and its manufacturing method'20046,682,968'Manufacturing method of Schottky barrier diode'20046,670,236'Semiconductor device having capacitance element and method of producing the same'20036,627,967'Schottky barrier diode'20036,580,107'Compound semiconductor device with depletion layer stop region'20036,307,251'Semiconductor device having capacitance element and method of producing the same'20015,473,982'Stamp apparatus having means to produce stencils'19955,152,019'Mattress and cushion material'1992D0311159'Automobile'19904,796,185'Typewriter having electronic dictionary with efficient storage, for printing any stored information associated with a entered word or entered word'19894,688,192'Electronic dictionary'19874,498,078'Sewing machine with a voice warning device'19854,489,436'Device for vocally indicating causes of abnormal conditions of a sewing machine'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–1995Patents assigned to BROTHER IND LTD (3)· patent assignee history
1984–1995Based in Nagoya, JP· patent location history
1985–2013Patents assigned to HIRATA KOICHI (4)· patent assignee history
2001–2006Patents assigned to SANYO ELECTRIC CO (15)· patent assignee history
2003–2005Based in Ashikaga, JP· patent location history
2004–2006Based in Sanjyo, JP· patent location history
2016–2020Patents assigned to MAZDA MOTOR (5)· patent assignee history
2016–2020Based in Hiroshima, JP· patent location history
2020–2021Patents assigned to TOYOTA MOTOR CO LTD (3)· patent assignee history
2020Based in Nisshin, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SANYO ELECTRIC CO | 15 | 2001–2006 |
| MAZDA MOTOR | 5 | 2016–2020 |
| HIRATA KOICHIself | 4 | 1985–2013 |
| BROTHER IND LTD | 3 | 1984–1995 |
| TOYOTA MOTOR CO LTD | 3 | 2020–2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ashikaga, JP | 8 | 2003–2005 |
| Hiroshima, JP | 5 | 2016–2020 |
| Sanjyo, JP | 3 | 2004–2006 |
| Nagoya, JP | 3 | 1984–1995 |
| Nisshin, JP | 2 | 2020 |