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USPTO Patent Rankings Data through Dec 31, 2025
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Hiroshi Itaya — 20 Patents

ANAnritsu: 7 patents #37 of 633Top 6%
ACAjinomoto Co.: 5 patents #360 of 2,190Top 20%
KSKawasaki Steel: 5 patents #213 of 1,922Top 15%
ALAnritsu Electric Company Limited: 2 patents #7 of 47Top 15%
Kabushiki Kaisha Toshiba: 1 patents #13,641 of 21,451Top 65%
Yokohama, JP: #5,116 of 49,234 inventorsTop 15%
Overall (All Time): #214,803 of 4,157,543Top 6%
20 Patents All Time
Hiroshi Itaya has been granted 20 US patents while listed as an inventor at Anritsu. The first was granted in 1985 and the most recent in January 2020. Hiroshi Itaya ranks #214,803 of 4,157,543 US inventors in our database (top 5.2%). Patent records list Hiroshi Itaya in Yokohama, JP.

Patents per Year

Patents granted per year, 1985 to 2020Bar chart with a peak of 4 patents in 1989.peak 41985: 2 patents19851987: 1 patents1988: 1 patents19881989: 4 patents1991: 1 patents19911992: 1 patents1993: 1 patents19931998: 1 patents2000: 1 patents20002001: 1 patents2004: 1 patents20042012: 1 patents2013: 1 patents20132015: 1 patents2016: 1 patents20162020: 1 patents2020

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
10538798 Method for secretory production of protein Yoshihiko Matsuda, Yumi Ito, Yukari Kashima, Naoko Yamada, Noriko Tsurui 2020-01-21
9376701 Method for secretory production of protein Noriko Tsurui, Yoshimi Kikuchi 2016-06-28
9187554 Method for secretory production of protein Yoshihiko Matsuda, Yoshimi Kikuchi, Haruki Beppu, Jurgis Antanas Vladovich Jomantas, Ekaterina Aleksandrovna Kutukova 2015-11-17
8597907 Method of producing proteins Masayo Date, Yoshimi Kikuchi, Nami Nakamura 2013-12-03
8187835 Method for producing protein Yoshimi Kikuchi, Masayo Date 2012-05-29
6801996 Instruction code conversion unit and information processing system and instruction code generation method Moriyasu Banno, Tomoaki Shoda, Tomotaka Saito 2004-10-05
6224820 Method of producing a reduced metal, and traveling hearth furnace for producing same Yoshitaka Sawa, Tetsuya Yamamoto, Kanji Takeda 2001-05-01
6126718 Method of producing a reduced metal, and traveling hearth furnace for producing same Yoshitaka Sawa, Tetsuya Yamamoto, Kanji Takeda 2000-10-03
5766307 Method of treating zinc-containing substance Shoji Miyagawa, Tetsuya Fujii, Yoshiaki Hara 1998-06-16
5266277 Fluidized bed gas dispersing device Hideshi Katayama, Masahiko Satoh, Kazuo Kimura 1993-11-30
5131942 Method for producing molten metal from powder state ore Hideshi Katayama, Takao Hamada, Shinobu Takeuchi, Takashi Ushijima, Hideyuki Momokawa 1992-07-21
5003506 Memory capacity detection apparatus and electronic applied measuring device employing the same — 1991-03-26
4845691 Group delay time measurement apparatus with automatic aperture value setting function Takehiko Kawauchi 1989-07-04
4845642 Display device for complex transmission reflection characteristics Goro Saito 1989-07-04
4812738 Apparatus for analyzing transmission/reflection characteristics Goro Saito 1989-03-14
4802106 Sweep marker display apparatus for polar coordinate display Goro Saito 1989-01-31
4780712 Polar coordinate display device employing raster scan scheme Goro Saito 1988-10-25
4710702 Heterodyne type signal-measuring method and a measuring apparatus including automatic detuning correction means Goro Saito 1987-12-01
4520321 Phase difference detector with phase inversion of one input signal when phase difference is small Kenji Nakatsugawa 1985-05-28
4504906 Multiprocessor system Kenji Nakatsugawa 1985-03-12

Frequent Collaborators

Goro Saito5 shared
Yoshimi Kikuchi4 shared
Yoshihiko Matsuda2 shared
Masayo Date2 shared
Kanji Takeda2 shared
Yoshitaka Sawa2 shared

Nearby-Ranked Inventors

Anthony Mertes20
Ed Merjanian20
Arthur J. Higby20
Daniel Rosenberg20
Anthony J. Kuschel20
Mark E. Fauver20
Markus Wintermantel20
Dominik Schnieders20
Christopher P. Roche20