TK

Takahiro Kumakawa

PA Panasonic: 12 patents #2,079 of 21,108Top 10%
Sumitomo Electric Industries: 6 patents #4,612 of 21,551Top 25%
Overall (All Time): #245,340 of 4,157,543Top 6%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
12293877 Electrolytic capacitor Shinya Suzuki, Junichi Kurita 2025-05-06
12257650 Joined structure, joining method, and joining material 2025-03-25
11742150 Solid electrolytic capacitor including an exterior body that covers a capacitor element and method of manufacturing the same Renki Yamazaki 2023-08-29
11715606 Solid electrolytic capacitor having a metal film formed on a portion of a cathode body exposed from an exterior body Renki Yamazaki 2023-08-01
11295902 Solid electrolytic capacitor including anode body penetrating into anode-side electrode layer Renki Yamazaki 2022-04-05
11227725 Solid electrolytic capacitor including a plurality of capacitor elements and method for producing the same Renki Yamazaki, Shinya Suzuki 2022-01-18
8299580 Semiconductor wafer and a method of separating the same Hideki Kojima, Tomoaki Furukawa 2012-10-30
7964475 Semiconductor wafer, method of manufacturing the same and semiconductor device Yukiko Haraguchi, Takashi Yui, Kazumi Watase 2011-06-21
7859084 Semiconductor substrate Masaki Utsumi 2010-12-28
7838323 Method for fabricating semiconductor device Masaki Utsumi, Masami Matsuura, Yoshihiro Matsushima 2010-11-23
7808059 Semiconductor substrate, and semiconductor device and method of manufacturing the semiconductor device 2010-10-05
7754584 Semiconductor substrate, and semiconductor device and method of manufacturing the semiconductor device 2010-07-13
6924173 Semiconductor device and method for the fabrication thereof Kazumi Watase, Hiroaki Fujimoto, Ryuichi Sahara, Nozomi Shimoishizaka, Kazuyuki Kaino +1 more 2005-08-02
6852616 Semiconductor device and method for producing the same Ryuichi Sahara, Kazumi Watase, Kazuyuki Kainoh, Nozomi Shimoishizaka 2005-02-08
6812573 Semiconductor device and method for manufacturing the same Nozomi Shimoishizaka, Ryuichi Sahara, Yoshifumi Nakamura, Shinji Murakami, Yutaka Harada 2004-11-02
6559528 Semiconductor device and method for the fabrication thereof Kazumi Watase, Hiroaki Fujimoto, Ryuichi Sahara, Nozomi Shimoishizaka, Kazuyuki Kaino +1 more 2003-05-06
6512298 Semiconductor device and method for producing the same Ryuichi Sahara, Kazumi Watase, Kazuyuki Kainoh, Nozomi Shimoishizaka 2003-01-28
6313532 Semiconductor device and method for manufacturing the same Nozomi Shimoishizaka, Ryuichi Sahara, Yoshifumi Nakamura, Shinji Murakami, Yutaka Harada 2001-11-06