Inventor
Kenji Yagi
Inventor
Yokohama, JP
Overview
Patents· 23 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus21%
B29DProducing particular articles from plastics or from substances in a plastic state6%
F02PIgnition, other than compression ignition, for internal-combustion engines6%
G01DMeasuring not specially adapted for a specific variable6%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock6%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein6%
B29CShaping or joining of plastics4%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles4%
F21SNon-portable lighting devices4%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts2%
PatentTitleYear
10,809,558Vehicle display device202010,768,464Vehicle display device202010,394,027Head-up display system201910,234,682Head-up display device and backlight device201910,114,219Backlight unit and head-up display device20189,920,174'Thermoplastic resin shaped-article, method of manufacturing the same, thermoplastic resin light guide, light source device, and liquid crystal display device'20189,507,072'Light guide, manufacturing method of light guide, optical shutter, and planar light-source device'20169,507,077'Resin composition for light guide article-preform, light guide article-preform, laminated light guide article-preform, light guide article for surface light source device and surface light source device'20169,097,831'Surface light source device, light guide element used for surface light source device, and method for producing light guide element'20158,676,005'Light guide for light source device and method for manufacturing the same'20147,369,883'Radio communication device'20087,145,254'Transfer-molded power device and method for manufacturing transfer-molded power device'20066,948,340'Method of producing an elliptic core optical fiber'20056,829,452'Image forming apparatus and developing device'20046,717,785'Semiconductor switching element driving circuit'20046,269,210'Optical fiber'20015,869,962'Magnetic detection apparatus for detecting movement of an object having a nonuniform system of teeth'19995,729,127'Magnetism detecting apparatus having gear teeth dimensions for minimal pulse signal distortion'19985,637,995'Magnetic detection device having a magnet including a stepped portion for eliminating turbulence at the MR sensor'19974,768,859'Cladding glass for optical fiber'19884,681,989'Ignition distributor for internal combustion engines'19874,640,996'Ignition distributor for internal combustion engines'19874,625,085'Material for high frequency suppression and distributor for combustion engine composed of the same material'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–1999Patents assigned to NIPPON DENSO CO (6)· patent assignee history
1986–1998Based in Nagoya, JP· patent location history
1988–2001Patents assigned to SHOWA ELECTRIC WIRE & CABLE CO (2)· patent assignee history
1988–2015Based in Yokohama, JP· patent location history
2004–2006Patents assigned to DENSO CORP (2)· patent assignee history
2004–2006Based in Okazaki, JP· patent location history
2014–2018Patents assigned to MITSUBISHI RAYON CO (5)· patent assignee history
2016Based in Kanagawa, JP· patent location history
2018–2020Patents assigned to YAZAKI CORP (4)· patent assignee history
2018–2020Based in Shizuoka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON DENSO CO | 6 | 1986–1999 |
| MITSUBISHI RAYON CO | 5 | 2014–2018 |
| YAZAKI CORP | 4 | 2018–2020 |
| DENSO CORP | 2 | 2004–2006 |
| SHOWA ELECTRIC WIRE & CABLE CO | 2 | 1988–2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yokohama, JP | 5 | 1988–2015 |
| Nagoya, JP | 5 | 1986–1998 |
| Shizuoka, JP | 4 | 2018–2020 |
| Kanagawa, JP | 2 | 2016 |
| Okazaki, JP | 2 | 2004–2006 |