Haruyoshi Uchiyama has been granted 17 US patents while listed as an inventor at Ando Electric Co. . The first was granted in 1995 and the most recent in July 2024. Haruyoshi Uchiyama ranks #263,971 of 4,157,543 US inventors in our database (top 6.3%). Patent records list Haruyoshi Uchiyama in Musashino, JP.
Patents per Year Patents granted per year, 1995 to 2024 Bar chart with a peak of 4 patents in 1996. peak 4 1995: 1 patents 1995 1996: 4 patents 1996 1998: 3 patents 1998 1999: 3 patents 1999 2000: 1 patents 2000 2002: 2 patents 2002 2004: 1 patents 2004 2016: 1 patents 2016 2024: 1 patents 2024 Issued Patents All Time
Showing 1–17 of 17 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
12025530 Optical pulse tester Akira Takikawa , Shoichi Aoki , Katsushi Ota 2024-07-02
9255861 Method of measuring optical loss and apparatus for measuring optical loss Yousuke Harima 2016-02-09
6700655 Optical fiber characteristic measuring device Yoshiyuki Sakairi 2004-03-02
6366348 Optical fiber distortion measuring apparatus and optical fiber distortion measuring method Yasushi Sato , Toshio Kurashima 2002-04-02
$4,775,000
6335788 Optical-fiber characteristics measuring apparatus Toshio Kurashima 2002-01-01
6055044 Apparatus for measuring characteristics of optical fiber Zhixien Lee 2000-04-25
5949533 Optical fiber distortion measurement device and method thereof Zhixien Lee 1999-09-07
5880824 Optical fiber strain measuring apparatus Zhixien Li , Yasushi Satoh , Toshio Kurashima 1999-03-09
5880463 Optical fiber strain-measuring apparatus — 1999-03-09
5821426 Optical fiber strain measuring apparatus — 1998-10-13
5781322 Method and apparatus for measuring the noise figure of an optical amplifier Zhixien Li , Kazuo Aida 1998-07-14
$611,000
5777727 OTDR measurement device Yasushi Sato 1998-07-07
5581389 Light frequency control apparatus Tekken Lee , Nobunari Takeuchi , Kaoru Shimizu , Tsuneo Horiguchi , Yahei Koyamada 1996-12-03
$217,000
5561551 Method and apparatus for determining noise factor of optical amplifier Takashi Iwasaki , Kazuo Aida , Yoshiaki Sato 1996-10-01
$589,000
5500762 Light frequency control apparatus Tekken Lee , Nobunari Takeuchi , Kaoru Shimizu , Tsuneo Horiguchi , Yahei Koyamada 1996-03-19
$228,000
5493110 Light frequency synthesizer Nobunari Takeuchi , Tekken Lee , Kaoru Shimizu , Tsuneo Horiguchi 1996-02-20
$160,000
5438578 Light-frequency control apparatus Tekken Lee , Nobunari Takeuchi , Kaoru Shimizu , Tsuneo Horiguchi 1995-08-01
$264,000