EI

Emiko Igaki

Sumitomo Electric Industries: 36 patents #330 of 21,551Top 2%
PA Panasonic: 3 patents #7,617 of 21,108Top 40%
📍 Kasai, JP: #127 of 5,842 inventorsTop 3%
Overall (All Time): #83,022 of 4,157,543Top 2%
39
Patents All Time

Issued Patents All Time

Showing 26–39 of 39 patents

Patent #TitleCo-InventorsDate
6452784 Aluminum electrolytic capacitor and method for producing the same Yasuhiko Nakada, Masakazu Tanahashi, Mikinari Shimada 2002-09-17
6426866 Solid electrolytic capacitor and method of manufacturing the same Masashi Shoji, Seigo Shiraishi, Masakazu Tanahashi, Mikinari Shimada 2002-07-30
6413282 Electrolytic capacitor and method for manufacturing the same Masakazu Tanahashi 2002-07-02
6400554 Electrolytic capacitor, its anode body, and method of producing the same Seigo Shiraishi, Masakazu Tanahashi 2002-06-04
6392869 Solid electrolytic capacitor Seigo Shiraishi, Masakazu Tanahashi, Mikinari Shimada, Norihisa Takahara, Yasuhiko Nakada +3 more 2002-05-21
6361572 Method of making an electrolytic capacitor having a conductive polymer formed on the inner surface of micropores of the anodes Masakazu Tanahashi, Chiharu Hayashi 2002-03-26
6324051 Solid electrolytic capacitor Masakazu Tanahashi, Chiharu Hayashi, Yoshiki Hashimoto 2001-11-27
6310765 Electrolytic capacitor and method for manufacturing the same Masakazu Tanahashi 2001-10-30
6239965 Electrolytic capacitor and method of producing the same Seigo Shiraishi, Masakazu Tanahashi 2001-05-29
6224639 Method of producing electrolytic capacitor Takahiro Hamada, Masakazu Tanahashi, Yasunobu Tsuji, Chiharu Hayashi, Yoshihiko Tsujikawa 2001-05-01
6185091 Four-terminal capacitor Masakazu Tanahashi, Mikinari Shimada 2001-02-06
6134099 Electrolytic capacitor having a conducting polymer layer without containing an organic acid-type dopant Masakazu Tanahashi, Chiharu Hayashi 2000-10-17
6088218 Electrolytic capacitor and method for producing the same Takahiro Hamada, Masakazu Tanahashi, Chiharu Hayashi, Yasunobu Tsuji 2000-07-11
5561828 Method of manufacturing a ceramic electronic part Masakazu Tanahashi, Takashi Iguchi, Yoichi Okinaka 1996-10-01