MI

Makoto Iikawa

PE Pentax: 14 patents #22 of 396Top 6%
PE Pentax: 9 patents #192 of 761Top 30%
HO Hoya: 5 patents #232 of 1,290Top 20%
Ricoh Company: 4 patents #4,167 of 9,818Top 45%
PC Pentax Ricoh Imaging Company: 3 patents #18 of 74Top 25%
RC Ricoh Imaging Company: 3 patents #12 of 67Top 20%
ZE Zeon: 1 patents #435 of 734Top 60%
Overall (All Time): #85,693 of 4,157,543Top 3%
38
Patents All Time

Issued Patents All Time

Showing 1–25 of 38 patents

Patent #TitleCo-InventorsDate
12135464 Optical system and imaging apparatus Yuji Toriumi, Takaaki Fujiya, Hiroyuki Satoh 2024-11-05
11445095 Image-sensor fixing structure Takaaki Fujiya, Yuji Toriumi, Hiroyuki Satoh 2022-09-13
10942343 Optical system and imaging apparatus Yuji Toriumi, Takaaki Fujiya, Hiroyuki Satoh 2021-03-09
10852503 Joint structure Yuji Toriumi, Takaaki Fujiya, Hiroyuki Satoh 2020-12-01
9310669 Camera body, lens barrel and lens-interchangeable camera Makoto Niwa, Yuji Kogure, Takahiro Kobayashi, Masahiro Inazuka, Ichiro Taguchi +1 more 2016-04-12
9197801 Camera body, lens barrel and lens-interchangeable camera Makoto Niwa, Yuji Kogure, Takahiro Kobayashi, Masahiro Inazuka, Ichiro Taguchi +1 more 2015-11-24
9134590 Camera body Makoto Niwa, Yuji Kogure, Takahiro Kobayashi, Masahiro Inazuka, Ichiro Taguchi +1 more 2015-09-15
9103967 Gear mechanism Ichiro IMAEI 2015-08-11
8976460 Varifocal lens barrel Ichiro IMAEI 2015-03-10
8508873 Water-resistant structure of a lens barrel Yuji Kogure, Yuzo Minowa, Toshiyuki Irie 2013-08-13
7756405 Interchangeable lens, and a camera system including an interchangeable lens 2010-07-13
7639439 Lens alignment apparatus 2009-12-29
7468848 Fixing method for resin lens Kunihiko Shimizu, Kazunori Komori, Koji Minami 2008-12-23
7454135 Camera system incorporating a seamless lens-drive switching mechanism Masahiro Nakata 2008-11-18
7408726 Lens alignment apparatus Masashi Takahashi 2008-08-05
7213693 Rotational transfer mechanism Takuji Hamasaki 2007-05-08
7201262 One-way rotational transfer mechanism Takuji Hamasaki 2007-04-10
7102837 One-way rotational transfer mechanism, and a lens barrel incorporating the same Takuji Hamasaki 2006-09-05
7099576 Lens barrel incorporating a one-way rotational transfer mechanism Takuji Hamasaki 2006-08-29
7004672 Bayonet coupling for axially mounting one of two relatively rotatable ring-shaped members on the other Masashi Takahashi 2006-02-28
6888690 Hot crimping structure and method for fixing a lens to a lens frame, and hot crimping tool therefor Masashi Takahashi 2005-05-03
6876499 Cam mechanism 2005-04-05
6867926 Cam rib support structure Masashi Takahashi 2005-03-15
6829103 Lens barrel Tomoaki Kobayashi 2004-12-07
6778332 Soft focus lens barrel 2004-08-17