Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
TU

Toshihiko Usami — 16 Patents

EMElpida Memory: 8 patents #73 of 692Top 15%
Hitachi: 3 patents #10,712 of 28,497Top 40%
PSPs4 Luxco S.A.R.L.: 3 patents #52 of 276Top 20%
ACAkita Electronics Co.: 2 patents #30 of 68Top 45%
Ricoh Company: 2 patents #5,693 of 9,818Top 60%
ACAkita Electronics Systems Co.: 1 patents #3 of 36Top 9%
Overall (All Time): #298,469 of 4,157,543Top 8%
16 Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
9470990 Storage for storing dispersion liquid, and toner producing apparatus using the storage Taro Araki, Masashi Miyakawa 2016-10-18
9159706 Semiconductor device and a method of manufacturing the same Masachika Masuda 2015-10-13
9087710 Semiconductor device with stacked semiconductor chips 2015-07-21
8853864 Semiconductor device and a method of manufacturing the same Masachika Masuda 2014-10-07
8502395 Semiconductor device and a method of manufacturing the same Masachika Masuda 2013-08-06
8198718 Semiconductor device with stacked semiconductor chips 2012-06-12
8169089 Semiconductor device including semiconductor chip and sealing material 2012-05-01
8159062 Semiconductor and a method of manufacturing the same Masachika Masuda 2012-04-17
8067251 Semiconductor device and a method of manufacturing the same Masachika Masuda 2011-11-29
7989134 Toner, method for manufacturing the same, and image forming method Masashi Miyakawa 2011-08-02
7879647 Semiconductor device and a method of manufacturing the same Masachika Masuda 2011-02-01
7633146 Semiconductor device and a method of manufacturing the same Masachika Masuda 2009-12-15
7348668 Semiconductor device and method of manufacturing the same Masachika Masuda 2008-03-25
7061105 Semiconductor device and a method of manufacturing the same Masachika Masuda 2006-06-13
6686663 Semiconductor device and a method of manufacturing the same Masachika Masuda 2004-02-03
6538331 Semiconductor device and a method of manufacturing the same Masachika Masuda 2003-03-25