YK

Yasuyuki Kawada

FC Fuji Electric Co.: 27 patents #45 of 2,643Top 2%
LG Lion Group: 10 patents #6 of 587Top 2%
FC Fuji Electric Device Technology Co.: 3 patents #23 of 205Top 15%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #78,266 of 4,157,543Top 2%
40
Patents All Time

Issued Patents All Time

Showing 1–25 of 40 patents

Patent #TitleCo-InventorsDate
12349402 Silicon carbide semiconductor device and method of manufacturing silicon carbide semiconductor device 2025-07-01
11888035 Silicon carbide semiconductor device Aki TAKIGAWA 2024-01-30
11600702 Silicon carbide semiconductor device and method of manufacturing silicon carbide semiconductor device 2023-03-07
11515387 Method of manufacturing silicon carbide semiconductor device, method of manufacturing silicon carbide substrate, and silicon carbide substrate 2022-11-29
11430870 Silicon carbide semiconductor device and method of manufacturing silicon carbide semiconductor device Makoto Utsumi, Aki TAKIGAWA 2022-08-30
11424325 Silicon carbide semiconductor device and method of manufacturing silicon carbide semiconductor device 2022-08-23
10818771 Method of manufacturing silicon carbide semiconductor device, and method of manufacturing silicon carbide substrate 2020-10-27
10741648 Semiconductor device and manufacturing method thereof Ryoji Kosugi, Shiyang Ji, Kazuhiro Mochizuki, Hidenori Kouketsu 2020-08-11
10186575 Silicon carbide semiconductor device and a method of manufacturing a silicon carbide semiconductor device Shiyang Ji, Ryoji Kosugi, Hidenori KOKETSU, Kazuhiro Mochizuki 2019-01-22
10096470 Method of producing a silicon carbide single-crystal substrate by epitaxial growth of a SiC epitaxial film on a SiC substrate 2018-10-09
10032724 Silicon carbide semiconductor base, method of crystal axis alignment in silicon carbide semiconductor base, and method of manufacturing silicon carbide semiconductor device Takeshi Tawara 2018-07-24
10026610 Silicon carbide semiconductor device manufacturing method Yoshiyuki Yonezawa 2018-07-17
9793121 Method of manufacturing silicon carbide semiconductor device 2017-10-17
9748149 Method of manufacturing a silicon carbide semiconductor device including forming a protective film with a 2-layer structure comprised of silicon and carbon 2017-08-29
9559188 Trench gate type semiconductor device and method of producing the same Shun Nakamura 2017-01-31
9502250 Manufacturing method of silicon carbide semiconductor apparatus 2016-11-22
9418840 Silicon carbide semiconductor device manufacturing method and silicon carbide semiconductor device Yoshiyuki Yonezawa 2016-08-16
9209276 Trench gate type semiconductor device and method of producing the same Shun Nakamura 2015-12-08
9117681 Silicon carbide semiconductor element, method of manufacturing the same, and silicon carbide device Takeshi Tawara, Shun Nakamura, Masahide GOTOH 2015-08-25
8802546 Method for manufacturing silicon carbide semiconductor device Yoshiyuki Yonezawa 2014-08-12
8648353 Method for manufacturing silicon carbide semiconductor device and the silicon carbide semiconductor device Takeshi Tawara 2014-02-11
8232184 Method for manufacturing silicon carbide semiconductor device and the silicon carbide semiconductor device Takeshi Tawara 2012-07-31
8124510 Method of manufacturing a silicon carbide semiconductor device Takeshi Tawara 2012-02-28
8114783 Silicon carbide semiconductor element, method of manufacturing the same, and silicon carbide device Takeshi Tawara, Shun Nakamura, Masahide GOTOH 2012-02-14
8071482 Manufacturing method of a silicon carbide semiconductor device 2011-12-06