RK

Ryo Kawahara

IBM: 10 patents #10,888 of 70,183Top 20%
FC Furukawa Electric Co.: 4 patents #473 of 2,370Top 20%
NO Nof: 1 patents #246 of 561Top 45%
Overall (All Time): #304,089 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
12304999 Method for purifying polyethylene glycol compound Atsushi Sato, Midori Hirai, Kyu Takeuchi 2025-05-20
12205109 Generating sequences of network nodes Li Zhang, Shi Lei Zhang, Toyotaro Suzumura, Keith Coleman Houck 2025-01-21
12197015 Optical fiber connection state determination system and optical fiber connection state determination method Yoshiki Nomura, Kyosuke YAMAUCHI, Shunichi Matsushita, Kengo Watanabe 2025-01-14
11489663 Correlation-based hash tree verification 2022-11-01
11379316 Snapshot restoration Kohichi Kamijoh, Kiyokuni Kawachiya, Takaaki Tateishi 2022-07-05
11321424 Predicting variables where a portion are input by a user and a portion are predicted by a system Takayuki Osogami 2022-05-03
11283673 Blockchain endorsement verification 2022-03-22
11281747 Predicting variables where a portion are input by a user and a portion are predicted by a system Takayuki Osogami 2022-03-22
11050211 Pulsed laser device, processing device, and method of controlling pulsed laser device Shunichi Matsushita 2021-06-29
10997612 Estimation model for estimating an attribute of an unknown customer Shunichi Amano, Kohichi Kamijoh, Masaki Ono 2021-05-04
10877962 Deferred update of database hashcode in blockchain Hiroshi Horii 2020-12-29
8990062 Method and program for estimating operation of program 2015-03-24
8332202 Hybrid system simulation method and simulation program product Shinichi Hirose, Hiroshi Ishikawa, Hiroaki Nakamura 2012-12-11
7511883 Optical amplifying method, optical amplifying apparatus, and optical amplified transmission system using the apparatus Masaru Fukushima, Nobuyuki Kagi, Kensaku Sekiya 2009-03-31
7333262 Optical amplifying method, optical amplifying apparatus, and optical amplified transmission system using the apparatus Masaru Fukushima, Nobuyuki Kagi, Kensaku Sekiya 2008-02-19