LexDanaLexDanabeta
Inventor

Yuji Yamanaka

Inventor
Kanagawa, JP

Overview

71→
Patents
1994–2020
Patent span
Physics
Primary field (CPC G)

Patents· 71 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B65Hprimary
B65HHandling thin or filamentary material, e.g. sheets, webs, cables16%
G03GElectrography11%
H04NPictorial communication, e.g. television11%
B42CBookbinding7%
H02JElectric power networks7%
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 systems4%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light3%
G06VImage or video recognition or understanding3%
G06FElectric digital data processing2%
G06KGraphical data reading2%
PatentTitleYear
10,742,021Power circuit, control method of power circuit, and self-driving device202010,664,000Power source circuit202010,577,501Polyphenylene sulfide resin composition and hollow forming products using the same202010,411,508Non-contact power supply device, and processing apparatus including non-contact power supply device201910,192,185Farmland management system and farmland management method20199,958,265Specimen measuring device and computer program product20189,840,596'Polyphenylene sulfide block copolymer and manufacturing method therefor'20179,837,845Charging controlling circuit and charging controlling system20179,638,575'Measuring apparatus, measuring system, and measuring method'20179,609,292'Imaging device, adjusting device, and adjusting method'20179,605,944'Distance measuring device and distance measuring method'20179,531,963'Image capturing device and image capturing system'2016D0773660'Syringe cap'20169,420,242'Imaging device and exposure adjusting method'20169,307,127'Image capturing device and image capturing system'20169,271,346'Lighting power supply device'2016D0748778'Syringe cap'20169,194,747'Apparatus, system, and method of estimating spectrum of object'20159,129,401'Image processing apparatus, imaging apparatus, and image processing method, configured to process reduced-size images'20159,061,851'Sheet feeding device and image forming apparatus'20159,047,549'Antenna for dipole-type IC tag, antenna roll, and usage method for IC tag'20158,708,328'Sheet feeding apparatus and image forming system'20148,611,614'Personal authentication device and electronic device'20138,585,052'Image forming apparatus'20138,537,574'Power source controlling semiconductor integrated circuit and insulated direct-current power source device'20138,477,199'Imaging apparatus, image processing method, and computer program product for preventing false motion vector detection'20138,450,982'Charge control circuit and charge controlling semiconductor integrated circuit'20138,419,008'Image forming apparatus'20138,328,181'Sheet feeding apparatus and image forming system'20128,204,282'Image input device and personal authentication device'20128,130,516'Switching power supply control semiconductor integrated circuit sampling an auxiliary wiring voltage near a point at which a secondary rectifier diode current becomes zero'20128,083,231'Sheet conveying apparatus and image forming apparatus with opening conveying path'20118,085,312'Image input apparatus, image input method, personal authentication apparatus, and electronic apparatus'20117,891,647'Sheet processing apparatus and image forming system'20117,667,879'Image reading apparatus and image forming apparatus'20107,616,353'Image reading unit and image forming apparatus comprising the same'20097,447,478'Image forming apparatus'20087,410,163'Sheet conveying apparatus and image reading apparatus'20087,398,027'Image forming apparatus with conveyance speed control based in part on loop detection'20087,378,823'Multi-output type DC/DC converter with a constant on time interval in a steady state'20087,372,239'Multi-output type DC/DC converter'20087,317,561'Image reading apparatus, and image forming apparatus'20087,296,791'Image forming apparatus, sheet containing device, sheet inserting device, book-binding system, and sheet processing apparatus'20077,289,744'Image forming apparatus'20077,196,827'Image reading apparatus and image forming apparatus'20077,175,175'Driving apparatus, sheet processing apparatus having driving apparatus, image forming apparatus having sheet processing apparatus and control system'20077,156,391'Driving apparatus, sheet processing apparatus having driving apparatus, image forming apparatus having sheet processing apparatus and control system'20076,967,530'Circuit and semiconductor device for reducing the generation of shock noise of a power amplifier outputting amplified audio signals'20056,788,503'Protecting circuit against short-circuit of output terminal of AC adapter'20046,671,491'Sheet processor mounted within sheet-discharge section of image forming apparatus, and image forming apparatus including the same'20036,642,694'Overcharge protection circuit capable of preventing damage to a charge control switch on flowing an excessive current'20036,381,443'Sheet punching device and image forming apparatus having the same'20026,347,213'Automatic original document conveying apparatus and image forming apparatus'20026,253,057'Sheet processing apparatus with die cover formed from anti-static material and image forming process having same'20016,024,525'Tape heating apparatus and bookbinding apparatus'20005,964,459'Sheet-bundle conveying apparatus'19995,899,138'Sheet-bundle conveying device with low disturbance conveyance and stacking features'19995,865,434'Sheet conveying apparatus and sheet sorting apparatus using the same'19995,833,423'Bind tape used with bookbinding apparatus'19985,810,551'Sheet containing apparatus and image forming apparatus'19985,735,659'Binding apparatus with spine cover printing apparatus'19985,720,479'Sheet sorting and containing apparatus'19985,695,181'Sheet sorting apparatus'19975,569,011'Book Binding apparatus'19965,569,012'Book binding apparatus'19965,553,294'Portable computer powered by rechargeable batteries'19965,540,421'Book binding apparatus'19965,485,073'Personal computer for performing charge and switching control of different types of battery packs'19965,365,321'Endless belt driving device with automatic belt displacement correction'19945,300,998'Heating apparatus having a movable film protection member and image forming apparatus using same'19945,289,339'Portable electronic device with memory card unit having symmetrical terminals'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–2015Patents assigned to CANON KK (36)· patent assignee history
1994–2020Based in Kawasaki, JP· patent location history
1994–2019Based in Tokyo, JP· patent location history
2003–2016Patents assigned to MITSUMI ELECTRIC CO LTD (9)· patent assignee history
2003–2017Based in Atsugi, JP· patent location history
2007–2015Based in Toride, JP· patent location history
2008–2020Based in Kanagawa, JP· patent location history
2011–2019Patents assigned to YAMANAKA YUJI (24)· patent assignee history
2011–2019Patents assigned to RICOH CO LTD (14)· patent assignee history
2015–2019Patents assigned to MASUDA KENSUKE (9)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CANON KK361994–2015
YAMANAKA YUJIself242011–2019
RICOH CO LTD142011–2019
MASUDA KENSUKE92015–2019
MITSUMI ELECTRIC CO LTD92003–2016
Locations
LocationPatentsSpan
Kanagawa, JP142008–2020
Kawasaki, JP131994–2020
Toride, JP122007–2015
Tokyo, JP81994–2019
Atsugi, JP72003–2017