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

Hideki Muroya — 3 Patents

Hitachi: 3 patents #10,718 of 28,497Top 40%
Yokohama, JP: #22,013 of 49,234 inventorsTop 45%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Hideki Muroya has been granted 3 US patents while listed as an inventor at Hitachi. The first was granted in 1987 and the most recent in November 1992. Hideki Muroya ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Hideki Muroya in Yokohama, JP.

Patents per Year

Patents granted per year, 1987 to 1992Bar chart with a peak of 1 patents in 1987.peak 11987: 1 patents19871991: 1 patents19911992: 1 patents1992

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5162838 Facsimile apparatus and method for processing a fixed document Tatsuki Inuzuka, Keisuke Nakashima, Toru Takei, Yasuyuki Kojima, Kyoichi NOMURA +15 more 1992-11-10 $42,000
5055945 Broadcasting communication apparatus Shingo OGUMA, Yoshitaka Iwata 1991-10-08 $63,000
4652934 Facsimile transceiver equipped with broadcasting feature Toraichi Sirakawa 1987-03-24 $77,000