Inventor
Akira Chiba
Inventor
Tokyo, JP
Overview
Patents· 22 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F16Cprimary
F16CShafts9%
H01JElectric discharge tubes or discharge lamps9%
H02KDynamo-electric machines9%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices6%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry4%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds4%
C23CCoating metallic material4%
H01LSemiconductor devices4%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters4%
H10BElectronic memory devices4%
PatentTitleYear
10,933,834Vehicle roof structure and method for manufacturing vehicle roof structure202110,868,152Semiconductor device and semiconductor device manufacturing method202010,475,618Electron gun capable of suppressing the influence of electron emission from the cathode side surface20199,653,304'Semiconductor device and method of manufacturing semiconductor device'20178,502,451'Collector and electron tube'20137,898,181'Traveling wave tube'20117,800,311'Power supply unit, high-frequency circuit system and heater voltage control method'20107,364,628'Solid material for magnet'20086,774,552'Electron gun'20046,763,451'Multiprocessor exchange provided with floating function'20046,487,018'Aperture and optical device using the same'20025,955,811'Electromagnetic rotary machine having magnetic bearing'19995,952,128'Phase-shifting photomask blank and method of manufacturing the same as well as phase-shifting photomask'19995,938,897'Method of manufacturing phase-shifting photomask blank'19995,936,370'Electromagnectic rotating machine'19995,880,550'Variable-speed dynamotor'19995,880,549'Switched reluctance rotator'19995,703,423'Energy storage flywheel system'19974,908,128'Composite bacteria support medium'19904,851,508'Polyester fibers having high strength and high modulus and process for producing the same'19894,742,151'Ultra-high-molecular-weight polyesters'19884,613,664'Process for production of polyester'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–1988Based in Kobe, JP· patent location history
1997–2013Patents assigned to CHIBA AKIRA (5)· patent assignee history
1997–1999Patents assigned to FUKAO TADASHI (4)· patent assignee history
1997–1999Patents assigned to EBARA CORP (3)· patent assignee history
1997–1999Patents assigned to MICHIOKA CHIKARA (3)· patent assignee history
1997–2019Based in Tokyo, JP· patent location history
1999Based in Itami, JP· patent location history
2004–2011Based in Sagamihara, JP· patent location history
2010–2013Patents assigned to NETCOMSEC CO LTD (3)· patent assignee history
2017–2020Based in Miyagi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CHIBA AKIRAself | 5 | 1997–2013 |
| FUKAO TADASHI | 4 | 1997–1999 |
| EBARA CORP | 3 | 1997–1999 |
| MICHIOKA CHIKARA | 3 | 1997–1999 |
| NETCOMSEC CO LTD | 3 | 2010–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 6 | 1997–2019 |
| Sagamihara, JP | 3 | 2004–2011 |
| Miyagi, JP | 2 | 2017–2020 |
| Itami, JP | 2 | 1999 |
| Kobe, JP | 2 | 1986–1988 |