Shigenori Nagano has been granted 15 US patents while listed as an inventor at Topcon . The first was granted in 1994 and the most recent in November 2025. Shigenori Nagano ranks #307,048 of 4,157,543 US inventors in our database (top 7.4%). Patent records list Shigenori Nagano in Tokyo, JP.
Patents per Year Patents granted per year, 1994 to 2025 Bar chart with a peak of 3 patents in 2023. peak 3 1994: 2 patents 1994 2000: 2 patents 2000 2001: 1 patents 2001 2007: 1 patents 2007 2009: 1 patents 2009 2017: 1 patents 2017 2018: 1 patents 2018 2022: 1 patents 2022 2023: 3 patents 2023 2025: 2 patents 2025 Issued Patents All Time
Showing 1–15 of 15 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
12467889 Non-destructive inspection device and non- destructive inspection system Satoshi Yanobe , Akira Yajima , Hanako AIKOH , Satoru ISHIGURO , Yoshie OTAKE +2 more 2025-11-11
12366542 Nondestructive inspection system Satoshi Yanobe , Akira Yajima , Hanako AIKOH , Satoru ISHIGURO , Yoshie OTAKE +2 more 2025-07-22
11754516 Nondestructive test system comprising a neutron emission unit for emitting fast neutrons and a neutron detection unit for detecting thermal neutrons, and nondestructive test method Hisashi Tsukada , Yoshie OTAKE , Hideyuki Sunaga , Yuichi Yoshimura , Koji Ikado 2023-09-12
11747288 Non-destructive inspection system comprising neutron radiation source and neutron radiation method Hisashi Tsukada , Yoshie OTAKE , Koji Ikado , Yuichi Yoshimura , Hideyuki Sunaga 2023-09-05
11614415 Nondestructive testing system and nondestructive testing method Satoru ISHIGURO , Yoshie OTAKE , Hideyuki Sunaga , Yuichi Yoshimura , Koji Ikado 2023-03-28
11513084 Nondestructive inspecting system, and nondestructive inspecting method Hanako AIKOH , Yoshie OTAKE , Yuichi Yoshimura , Hideyuki Sunaga 2022-11-29
9995826 Electronic distance meter Yasushi Tanaka , Kenichiro Yoshino 2018-06-12
9709676 Laser light emitting device having a mode scrambler for unifying light intensity distribution Taizo Eno , Ken-ichiro Yoshino 2017-07-18
7561768 Optical branching device Akira Takada , Shinya Ikoma 2009-07-14
$856,000
7309168 Optical fiber cable Masayuki Momiuchi , Shinya Ikoma , Akira Takada 2007-12-18
6233370 Interference measurement apparatus and probe used for interference measurement apparatus Makoto Fujino , Nobuo Hori 2001-05-15
6166818 Interference measurement apparatus, interference measurement probe and interference measurement control system Nobuo Hori , Makoto Fujino 2000-12-26
6075600 Signal formation apparatus for use in interference measurement Makoto Fujino , Akira Takada , Nobuo Hori 2000-06-13
5349431 Apparatus for measuring cross-sectional distribution of refractive index of optical waveguide Nicolas Gisin , Patrick Stamp , Rogerio Passy , Nobuo Hori 1994-09-20
5337169 Method for patterning an optical device for optical IC, and an optical device for optical IC fabricated by this method Nobuo Hori , Yoshinobu Takano , Takashi Takahashi , Reiji Hashimoto 1994-08-09