RS

Ryuichiro Sato

SC Sei Optifrontier Co.: 18 patents #1 of 82Top 2%
Sumitomo Electric Industries: 9 patents #3,076 of 21,551Top 15%
SC Sumitomo Electric Optifrontier Co.: 7 patents #2 of 57Top 4%
MK Meiji Seika Kaisha: 1 patents #353 of 752Top 50%
Overall (All Time): #96,301 of 4,157,543Top 3%
35
Patents All Time

Issued Patents All Time

Showing 25 most recent of 35 patents

Patent #TitleCo-InventorsDate
D1092411 Optical fiber alignment member Shohei Nakamura, Yuta Ryono 2025-09-09
D1092581 Optical fiber fusion splicer Tomoyoshi Sasaki, Kazufumi Joko 2025-09-09
12384598 Housing case for fusion splicer and fusion splicer set Yuta Ryono, Kazufumi Joko, Tomoyoshi Sasaki 2025-08-12
D1073757 Fusion splicer working tray Yuta Ryono, Kazufumi Joko, Tomoyoshi Sasaki 2025-05-06
12276841 Optical fiber fusion splicing method and fusion splicing device Hiroki Akiyama, Makoto Miyamori, Kazuyoshi OOKI, Ryosuke Meo, Hiroshi Takayanagi 2025-04-15
11435529 Optical fiber holder Hiroshi Takayanagi, Hiroshi Nakamura 2022-09-06
11327230 Optical fiber holder Keitarou Koguchi, Shinsuke KURINO, Masataka Ishizuka 2022-05-10
11237330 Optical fiber alignment jig, optical fiber fusion splicer equipped with optical fiber alignment jig, and method for aligning optical fiber 2022-02-01
11204465 Optical fiber holder and fusion-splicing apparatus including optical fiber holder 2021-12-21
11181692 Reinforcing apparatus for optical fiber fusion-splicing part and fusion splicer provided with the same Ryosuke Meo, Hiroshi Takayanagi 2021-11-23
10921527 Optical fiber holder Hiroshi Takayanagi, Hiroshi Nakamura 2021-02-16
D837273 Optical fiber fusion splicer Hiroshi Takayanagi, Makoto Miyamori 2019-01-01
10054742 Optical fiber fusion splicer and optical fiber fusion splicing method Toshihiko Homma 2018-08-21
D792493 Electrode bar for use in an optical fiber fusion splicer Toshihiko Homma 2017-07-18
9488781 Optical fiber holder and optical fiber fusion-connecting device Hiroshi Takayanagi, Yasuhiro Sakamoto 2016-11-08
D759138 Optical fiber fusion splicer Hiroyasu Toyooka, Kensuke Ito 2016-06-14
9341777 Optical fiber fusion splicer Hiroshi Takayanagi, Makoto Miyamori 2016-05-17
9235005 Method of fusion-splicing optical fibers and fusion splicer Hiroyasu Toyooka, Hiroshi Takayanagi 2016-01-12
D746885 Optical fiber fusion splicer Hiroyasu Toyooka, Kensuke Ito 2016-01-05
9146354 Fusion splicer 2015-09-29
9052487 Optical fiber holder 2015-06-09
8992101 Heating device for optical-fiber reinforcement, and optical-fiber fusion splicing device Masakazu Fukuda, Hisao Yui, Hiroshi Takayanagi 2015-03-31
8950955 Heating device for optical-fiber reinforcement, and optical-fiber fusion splicing device Masakazu Fukuda, Hisao Yui, Hiroshi Takayanagi 2015-02-10
8939660 Optical fiber fusion splicer 2015-01-27
D720785 Electrode bar for optical fiber fusion splicer 2015-01-06