Inventor
Goichi Akanuma
Inventor
Kanagawa, JP
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus31%
G11BInformation storage based on relative movement between record carrier and transducer14%
H04NPictorial communication, e.g. television11%
B81BMicrostructural devices or systems, e.g. micromechanical devices6%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them6%
G03GElectrography6%
B41JTypewriters3%
F21SNon-portable lighting devices3%
G01CMeasuring distances, levels or bearings3%
G01SRadio direction-finding3%
PatentTitleYear
11,106,031Light deflector, optical scanning device, image projection device, and mobile object202110,901,220Movable device, image projection apparatus, heads-up display, laser headlamp, head-mounted display, object recognition device, and vehicle20219,766,450'Light deflector, two-dimensional image display apparatus, optical scanner, and image forming apparatus'20179,575,312'Light deflector, and devices incorporating the same'20179,448,402'Optical deflection device and image forming apparatus'20169,291,817'Optical deflection device, apparatus including the same, and method of controlling optical deflecting device'20168,830,551'Actuator, protective cover for actuator, actuator manufacturing method, and optical deflector incorporating actuator, and two dimensional optical scanner and image projector incorporating optical scanner'20148,395,834'Deflecting mirror for deflecting and scanning light beam'20138,255,936'Objective lens drive apparatus where interaction of drive magnets and drive coils drive a holding member that holds the objective lens and optical pickup and optical disk apparatus including the same'20128,174,750'Optical deflector, optical scanner, image forming apparatus, and image projector'20128,147,069'Lighting device and projection image display unit'20127,701,584'Light path circuit apparatus and ring laser gyro'20107,489,600'Object lens driving device with reduced tilt during focusing and tracking operations and optical pickup and optical disk drive utilizing the same'20097,287,264'Objective lens drive apparatus with objective lens portion movable along support member axial direction'20076,343,053'Objective lens driving apparatus for driving an objective lens of an optical disk drive'20026,177,667'Imaging device'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001–2010Patents assigned to RICOH KK (5)· patent assignee history
2001–2009Based in Tokyo, JP· patent location history
2010–2014Based in Yokohama, JP· patent location history
2012–2021Patents assigned to RICOH CO LTD (11)· patent assignee history
2012–2021Patents assigned to AKANUMA GOICHI (10)· patent assignee history
2012–2017Patents assigned to KITAZAWA TOMOFUMI (6)· patent assignee history
2012–2021Based in Kanagawa, JP· patent location history
2016–2021Patents assigned to HASHIGUCHI TSUYOSHI (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RICOH CO LTD | 11 | 2012–2021 |
| AKANUMA GOICHIself | 10 | 2012–2021 |
| KITAZAWA TOMOFUMI | 6 | 2012–2017 |
| RICOH KK | 5 | 2001–2010 |
| HASHIGUCHI TSUYOSHI | 3 | 2016–2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 7 | 2012–2021 |
| Yokohama, JP | 5 | 2010–2014 |
| Tokyo, JP | 4 | 2001–2009 |