Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Kaoru Sonobe — 4 Patents

EMElpida Memory: 2 patents #267 of 692Top 40%
Nec: 2 patents #5,544 of 14,502Top 40%
Tokyo, JP: #30,468 of 90,295 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Kaoru Sonobe has been granted 4 US patents while listed as an inventor at Elpida Memory. The first was granted in 1993 and the most recent in June 2013. Kaoru Sonobe ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Kaoru Sonobe in Tokyo, JP.

Patents per Year

Patents granted per year, 1993 to 2013Bar chart with a peak of 1 patents in 1993.peak 11993: 1 patents19931995: 1 patents19952012: 1 patents20122013: 1 patents2013

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8461690 Semiconductor device capable of suppressing generation of cracks in semiconductor chip during manufacturing process Masanori Yoshida, Daisuke Tsuji, Masahito Yamato, Jun Sasaki, Akira Ide +1 more 2013-06-11 $4,425,000
8253258 Semiconductor device with hollow and throughhole and method of manufacturing same Hidehiro Takeshima, Shinei Sato 2012-08-28 $3,290,000
5393705 Molded semiconductor device using intermediate lead pattern on film carrier formed from lattice pattern commonly available for devices and process of fabrication thereof 1995-02-28 $16,000
5193053 Plastic packaged semiconductor device 1993-03-09 $26,000