Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
TY

Toshiyuki Yagi — 21 Patents

ACAndo Electric Co.: 12 patents #10 of 301Top 4%
NTNTT: 11 patents #401 of 4,871Top 9%
Nichia: 3 patents #567 of 1,531Top 40%
TCToyobo Co.: 3 patents #72 of 498Top 15%
TCTakiron Co.: 1 patents #20 of 69Top 30%
TKToyo Boseki Kabushiki Kaisha: 1 patents #541 of 1,085Top 50%
Yokohama, JP: #4,819 of 49,234 inventorsTop 10%
Overall (All Time): #201,324 of 4,157,543Top 5%
21 Patents All Time
Toshiyuki Yagi has been granted 21 US patents while listed as an inventor at Ando Electric Co.. The first was granted in 1989 and the most recent in August 2019. Toshiyuki Yagi ranks #201,324 of 4,157,543 US inventors in our database (top 4.8%). Patent records list Toshiyuki Yagi in Yokohama, JP.

Patents per Year

Patents granted per year, 1989 to 2019Bar chart with a peak of 8 patents in 2002.peak 81989: 1 patents19892000: 1 patents2001: 2 patents20012002: 8 patents2003: 1 patents20032005: 1 patents2011: 1 patents20112014: 1 patents2015: 1 patents20152016: 1 patents2018: 1 patents20182019: 2 patents2019

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10369530 Hollow fiber semipermeable membrane, method for manufacturing same, module, and water treatment method Michiko Shimizu, Shinobu Tokimi 2019-08-06
10252222 Hollow fiber type semipermeable membrane, method for manufacturing the same, module, and water treatment method Michiko Shimizu, Shinobu Tokimi 2019-04-09
10041659 Substrate for mounting light emitting element and method of fixing the substrate member Toshihiko Aizawa 2018-08-07
9373608 Light emitting device for linear light source Yohei Minoda, Kazunori Watanabe 2016-06-21
9076659 Light emitting device for linear light source Yohei Minoda, Kazunori Watanabe 2015-07-07
8915378 Hollow fiber type reverse osmosis membrane and method for manufacturing the same Shinobu Tokimi, Yuji Ito 2014-12-23
8070947 Permselective membrane module and method for manufacturing the same Koichi Baba 2011-12-06
6842464 Wavelength tunable light source equipment Seiji Funakawa 2005-01-11
6507014 Electro-optic probe Akishige Ito, Katsushi Ohta, Mitsuru Shinagawa, Tadao Nagatsuma, Junzo Yamada 2003-01-14 $9,107,000
6452378 Probe for electro-optic sampling oscilloscope Noriyuki Toriyama, Tadao Nagatsuma 2002-09-17 $11,132,000
6429669 Temperature-insensitive electro-optic probe Akishige Ito, Katsushi Ohta, Mitsuru Shinagawa, Tadao Nagatsuma, Hakaru Kyuragi 2002-08-06
6410906 Electro-optic probe Akishige Ito, Katsushi Ohta, Mitsuru Shinagawa, Tadao Nagatsuma, Junzo Yamada 2002-06-25 $3,413,000
6407561 Probe for electro-optic sampling oscilloscope Akishige Ito, Katsushi Ohta, Mitsuru Shinagawa, Tadao Nagatsuma, Junzo Yamada 2002-06-18 $10,465,000
6369562 Electro-optical probe for oscilloscope measuring signal waveform Akishige Ito, Katsushi Ohta, Mitsuru Shinagawa, Tadao Nagatsuma, Junzo Yamada 2002-04-09 $2,832,000
6348787 Electrooptic probe Akishige Ito, Katsushi Ohta, Mitsuru Shinagawa, Tadao Nagatsuma, Junzo Yamada 2002-02-19 $7,338,000
6342783 Electrooptic probe Akishige Ito, Katsushi Ohta, Mitsuru Shinagawa, Tadao Nagatsuma, Junzo Yamada 2002-01-29 $3,430,000
6337565 Electro-optic probe Akishige Ito, Katsushi Ohta, Mitsuru Shinagawa, Tadao Nagatsuma, Junzo Yamada 2002-01-08 $7,402,000
6297650 Electrooptic probe Akishige Ito, Katsushi Ohta, Mitsuru Shinagawa, Tadao Nagatsuma, Junzo Yamada 2001-10-02 $3,861,000
6288531 Probe for electro-optic sampling oscilloscope Akishige Ito, Katsushi Ohta, Mitsuru Shinagawa, Tadao Nagatsuma, Junzo Yamada 2001-09-11
6166845 Electro-optic probe Akishige Ito, Katsushi Ohta, Mitsuru Shinagawa, Tadao Nagatsuma, Junzo Yamada 2000-12-26 $3,795,000
4808642 Chlorine-containing resin molding and material for use therewith Hideki Kitada, Masami Takahashi, Masaaki Sukeda, Tadashi Nakayama 1989-02-28