Inventor
Hiroaki Ichikawa
Inventor
Kanagawa, JP
Overview
Patents· 56 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G09Gprimary
G09GArrangements or circuits for control of indicating devices using static means to present variable information19%
A61BDiagnosis14%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein11%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems6%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h106%
H01BCables4%
H01LSemiconductor devices4%
H03KPulse technique4%
H10DInorganic electric semiconductor devices4%
H05BElectric heating3%
PatentTitleYear
10,672,762Semiconductor device and method of manufacturing semiconductor device2020D0884662Semiconductor module202010,058,373Treatment instrument and treatment system20189,967,991Semiconductor device and busbar20189,871,465'Semiconductor device including positive, negative and intermediate potential conductor plates'20189,737,295'Suture-needle holder and endoscope system'20179,722,598'Semiconductor device'20179,125,663'Treatment instrument system with thermally deformable absorbent member and slidable holding surface'20159,027,505'Apparatus and method for coloring electrical wire'20158,986,197'Medical system and endoscope system'20158,931,149'Wire coloring apparatus includng a roller'20158,934,277'Semiconductor system with at least one three-level electric power inverter circuit'20158,926,609'Treatment device and treatment method'20158,830,157'Display apparatus, quantity-of-light adjusting method for display apparatus and electronic equipment'20148,702,700'Surgical treatment device'20148,529,554'Treatment instrument operation unit and medical system with treatment instrument operation unit'20138,367,154'Method for coloring electrical wires'20138,325,452'Semiconductor device'20128,305,338'Liquid crystal display apparatus and backlight adjustment method'20128,174,487'Display unit and backlight unit'20128,111,020'Apparatus and method for driving backlight unit'20128,105,230'Medical system'20128,083,669'Medical device for maintaining state of treatment portion'20118,075,475'Endoscope system and medical instrument'20118,075,474'Endoscope system and medical instrument'20117,982,706'Backlight device, method of driving backlight and liquid crystal display apparatus'20117,918,785'Medical apparatus, treatment instrument for endoscope and endoscope apparatus'20117,913,352'Dust collector'20117,773,084'Image display device, image display panel, panel drive device, and method of driving image display panel'20107,691,054'Endoscope system, treatment instrument cartridge, and storage case'20107,675,249'Apparatus and method for driving backlight unit'20107,652,654'Liquid crystal display and backlight adjusting method'20107,582,055'Endoscope system'20097,564,441'Data processing circuit, display apparatus, and portable terminal'20097,524,284'Endoscopy system'20097,511,695'Display unit and backlight unit'20097,507,943'Light source for LCD with individually controlled sections'20097,427,973'Display device and method of driving same'20087,295,180'Backlight driving device, backlight driving method, and liquid crystal display device'20077,224,200'Level shift circuit, display apparatus, and portable terminal'20077,126,294'Method and device for controlling photovoltaic inverter, and feed water device'20066,958,716'Data processing circuit, display device, and mobile terminal'20056,795,050'Liquid crystal display device'20046,661,019'Active matrix circuit, method of driving the same, and surface pressure distribution detecting apparatus'20036,424,328'Liquid-crystal display apparatus'20026,011,273'Thin-film semiconductor device having pressure sensitive and non-sensitive regions'20005,912,794'Abnormality detection and protection circuit for semiconductor device'19995,850,276'Method of making LCD device having alignment mark made of same material and formed at same time as microlenses'19985,818,413'Display apparatus'19985,771,085'LCD device with an alignment mark having same material as microlenses'19985,448,384'Active matrix liquid crystal display device having discharge elements connected between input terminals and common terminal'19955,185,093'Process for producing magnetic metal powder and coating for magnetic recording medium'19935,073,523'Dielectric ceramic composition'19914,820,670'Dielectric ceramic composition'19894,791,474'Semiconductor integrated circuit device'19884,412,237'Semiconductor device'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983–2018Based in Yokohama, JP· patent location history
1995–2014Patents assigned to SONY CORP (23)· patent assignee history
1995–2014Based in Kanagawa, JP· patent location history
1999–2020Patents assigned to FUJI ELECTRIC CO LTD (8)· patent assignee history
2009–2015Patents assigned to OLYMPUS MEDICAL SYSTEMS CORP (13)· patent assignee history
2009–2015Based in Hachioji, JP· patent location history
2011–2015Patents assigned to ICHIKAWA HIROAKI (14)· patent assignee history
2011–2015Patents assigned to HONDA KAZUKI (6)· patent assignee history
2012–2020Based in Azumino, JP· patent location history
2015Based in Makinohara-shi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SONY CORP | 23 | 1995–2014 |
| ICHIKAWA HIROAKIself | 14 | 2011–2015 |
| OLYMPUS MEDICAL SYSTEMS CORP | 13 | 2009–2015 |
| FUJI ELECTRIC CO LTD | 8 | 1999–2020 |
| HONDA KAZUKI | 6 | 2011–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 23 | 1995–2014 |
| Yokohama, JP | 9 | 1983–2018 |
| Hachioji, JP | 9 | 2009–2015 |
| Azumino, JP | 6 | 2012–2020 |
| Makinohara-shi, JP | 2 | 2015 |