GA

Goichi Akanuma

Ricoh Company: 23 patents #910 of 9,818Top 10%
Overall (All Time): #179,425 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
12379587 Light deflector, image projection apparatus, laser headlamp, head-mounted display, distance measurement apparatus, and mobile object 2025-08-05
12140698 Light deflector, deflecting device, distance measurement device, image projection device, and vehicle Shinichi Kojima 2024-11-12
11796793 Optical deflector, deflection apparatus, distance measuring apparatus, image projecting apparatus, and movable body Mitsuhiro Yoda, Yukito Sato, Mizuki Shinkawa, Shuichi Suzuki 2023-10-24
11789258 Light deflector, deflecting device, object recognition device, image projection device, and mobile object 2023-10-17
11785390 Acoustic transducer Wataru YOKOTA 2023-10-10
11750779 Light deflector, optical scanning system, image projection device, image forming apparatus, and lidar device 2023-09-05
11644664 Light deflector, optical scanning system, image projection device, image forming apparatus, and lidar device Wataru YOKOTA, Mizuki Shinkawa 2023-05-09
11106031 Light deflector, optical scanning device, image projection device, and mobile object Takeshi Nanjyo 2021-08-31
10901220 Movable device, image projection apparatus, heads-up display, laser headlamp, head-mounted display, object recognition device, and vehicle Mizuki Shinkawa, Tsuyoshi Hashiguchi 2021-01-26
9766450 Light deflector, two-dimensional image display apparatus, optical scanner, and image forming apparatus Jun Nakagawa, Tsuyoshi Hashiguchi, Eri Watanabe, Tomofumi Kitazawa 2017-09-19
9575312 Light deflector, and devices incorporating the same 2017-02-21
9448402 Optical deflection device and image forming apparatus Tomofumi Kitazawa 2016-09-20
9291817 Optical deflection device, apparatus including the same, and method of controlling optical deflecting device Tsuyoshi Hashiguchi, Tomofumi Kitazawa 2016-03-22
8830551 Actuator, protective cover for actuator, actuator manufacturing method, and optical deflector incorporating actuator, and two dimensional optical scanner and image projector incorporating optical scanner Tomofumi Kitazawa, Mitsumi Fujii 2014-09-09
8395834 Deflecting mirror for deflecting and scanning light beam Tomofumi Kitazawa, Fumiko Sakoh 2013-03-12
8255936 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 No Cheol Park, Dong Ju Lee, Myeong-Gyu Song, Yang-Hyun Seok 2012-08-28
8174750 Optical deflector, optical scanner, image forming apparatus, and image projector Tomofumi Kitazawa, Fumiko Sakoh, Mitsumi Fujii 2012-05-08
8147069 Lighting device and projection image display unit Manabu Seo, Hiroshi Akiyama, Shigeru Oouchida, Yukiko Hamano 2012-04-03
7701584 Light path circuit apparatus and ring laser gyro Kazusuke Maenaka, Takayuki Fujita 2010-04-20
7489600 Object lens driving device with reduced tilt during focusing and tracking operations and optical pickup and optical disk drive utilizing the same 2009-02-10
7287264 Objective lens drive apparatus with objective lens portion movable along support member axial direction 2007-10-23
6343053 Objective lens driving apparatus for driving an objective lens of an optical disk drive Hiroshi Koide 2002-01-29
6177667 Imaging device Kazuhiro Fujita, Ikuo Maeda, Hiroyuki Inoue 2001-01-23