Hitoshi Sekiya — 9 Patents at Anritsu

Hitoshi Sekiya has been granted 9 US patents while listed as an inventor at Anritsu. The first was granted in 1987 and the most recent in October 2025. Hitoshi Sekiya ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Hitoshi Sekiya in Yokohama, JP.

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #	Title	Co-Inventors	Date
12451731	Resonance-type power converter circuit provided with resonance circuit including LC resonance circuit and switching element	Taichi MISHIMA, Shingo NAGAOKA, Takeshi Uematsu	2025-10-21
9389255	Millimeter-wave band spectrum analysis device and analysis method	Masaaki Fuse, Akihito Otani	2016-07-12
8300734	Frequency converting system	Masaaki Fuse	2012-10-30
7394415	Time-interleaved analog-to-digital converter and high speed signal processing system using the same	Masaaki Fuse	2008-07-01
5083282	Transition state detecting device and measuring device using the same	Aiichi Katayama, Kenji Nakatsugawa, Takafumi Nakamura	1992-01-21
4878194	Digital signal processing apparatus	Kenji Nakatsugawa, Aiichi Katayama	1989-10-31
4797936	Waveform sequence trigger system	Kenji Nakatsugawa, Aiichi Katayama, Shoji Hiratsuka	1989-01-10
4727288	Digital wave observation apparatus	Kenji Nakatsugawa, Aiichi Katayama	1988-02-23
4642519	Digital wave observation apparatus	Kenji Nakatsugawa, Aiichi Katayama, Shoji Hiratsuka	1987-02-10

Hitoshi Sekiya — 9 Patents

Issued Patents All Time

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