Ryuichi Masui has been granted 19 US patents while listed as an inventor at Smc . The first was granted in 1996 and the most recent in June 2024. Ryuichi Masui ranks #229,345 of 4,157,543 US inventors in our database (top 5.5%). Patent records list Ryuichi Masui in Bando, JP.
Patents per Year Patents granted per year, 1996 to 2024 Bar chart with a peak of 3 patents in 2005. peak 3 1996: 1 patents 1996 2005: 3 patents 2007: 2 patents 2007 2008: 2 patents 2009: 2 patents 2009 2010: 1 patents 2013: 1 patents 2013 2015: 1 patents 2019: 2 patents 2019 2020: 1 patents 2021: 2 patents 2021 2024: 1 patents 2024
Issued Patents All Time
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Showing 1–19 of 19 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
12007235 Magnetic encoder Naohiro Ishizawa 2024-06-11
11204056 Nut Toru Nakayama , Naohiro Ishizawa 2021-12-21
11092216 Speed reduction ratio automatic switching device Naohiro Ishizawa 2021-08-17
10690191 Elastic shaft coupling Toru Nakayama , Yutaka Yoshida 2020-06-23
10487873 Linear guide device and actuator Toru Nakayama , Toru Sugiyama 2019-11-26
10385948 Electric actuator Toru Nakayama , Toru Sugiyama , Hiroyuki Okuhira 2019-08-20
D744559 Electric actuator Toru Nakayama , Toru Sugiyama 2015-12-01
8561491 Electric actuator Yoshihiro Fukano 2013-10-22
D624572 Electric actuator Yoshihiro Fukano , Shoichi Makado , Masaru Saitoh 2010-09-28
7628727 Automatic speed reducing ratio-switching apparatus Shigekazu Nagai 2009-12-08
7510495 Automatic speed reducing ratio-switching apparatus Shigekazu Nagai , Akio Saitoh , Masaki Imamura 2009-03-31
7443121 Actuator control system Shigekazu Nagai , Akio Saitoh , Toru Sugiyama , Takeshi Hirose , Masaki Miyahara 2008-10-28
D578147 Electric actuator Yoshihiro Fukano , Masaru Saitoh , Hidemi Yamamoto , Hirofumi Watanabe 2008-10-07
D543221 Electric cylinder with guide Shigekazu Nagai , Akio Saitoh , Toru Sugiyama 2007-05-22
7220205 Automatic speed reducing ratio-switching apparatus Shigekazu Nagai , Akio Saitoh , Masaki Imamura 2007-05-22
D511494 Motion converter Shigekazu Nagai , Masahiko Someya , Masaki Miyahara 2005-11-15
D505658 Motion converter Shigekazu Nagai , Masahiko Someya , Masaki Miyahara 2005-05-31
D505659 Motion converter Shigekazu Nagai , Masahiko Someya , Masaki Miyahara 2005-05-31
5549340 Suction pad Shigekazu Nagai , Shuuzou Sakurai 1996-08-27
$1,055,000