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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Soitiro Tosima — 4 Patents

RCRca: 4 patents #311 of 1,739Top 20%
Machida, JP: #552 of 1,436 inventorsTop 40%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Soitiro Tosima has been granted 4 US patents while listed as an inventor at Rca. The first was granted in 1981 and the most recent in January 1985. Soitiro Tosima ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Soitiro Tosima in Machida, JP.

Patents per Year

Patents granted per year, 1981 to 1985Bar chart with a peak of 1 patents in 1981.peak 11981: 1 patents19811983: 1 patents19831984: 1 patents19841985: 1 patents1985

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4491412 Method for characterizing solder compositions Shigeo Harada 1985-01-01
4477892 Surface acoustic wave device having a pyramid shaped tip for recording video information on a substrate Masayoshi Nishikawa 1984-10-16 $2,379,000
4409333 Method for the evaluation of solderability Shigeo Harada 1983-10-11 $2,263,000
4281407 Surface acoustic wave pickup and recording device 1981-07-28 $1,258,000