YK

Yoshifumi Kitayama

Sumitomo Electric Industries: 13 patents #1,957 of 21,551Top 10%
PA Panasonic: 3 patents #7,617 of 21,108Top 40%
BL Bridgestone Tire Company Limited: 2 patents #115 of 438Top 30%
📍 Kodaira, JP: #93 of 1,073 inventorsTop 9%
Overall (All Time): #259,743 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
7071090 Semiconductor element having protruded bump electrodes Kazushi Higashi, Norihito Tsukahara, Takahiro Yonezawa, Yoshihiko Yagi, Hiroyuki Otani 2006-07-04
6894387 Semiconductor element having protruded bump electrodes Kazushi Higashi, Norihito Tsukahara, Takahiro Yonezawa, Yoshihiko Yagi, Hiroyuki Otani 2005-05-17
6455099 Method and device for applying sealant to IC having bumps Kouhei Enchi, Hiroyuki Yoshida 2002-09-24
6370750 Component affixing method and apparatus Nobuya Matsumura, Shoji Sato, Akihiro Yamamoto, Yoichi Nakamura 2002-04-16
6332268 Method and apparatus for packaging IC chip, and tape-shaped carrier to be used therefor Makoto Imanishi, Koichi Kumagai, Shinji Kanayama, Yoshinori Wada, Takahiro Yonezawa +1 more 2001-12-25
6207549 Method of forming a ball bond using a bonding capillary Kazushi Higashi, Norihito Tsukahara, Takahiro Yonezawa, Yoshihiko Yagi, Hiroyuki Otani 2001-03-27
5791484 Assembly of chip parts Junji Ikeda, Osamu Yamazaki, Youichi Nakamura 1998-08-11
5744382 Method of packaging electronic chip component and method of bonding of electrode thereof Kazuhiro Mori, Keiji Saeki, Takashi Akiguchi 1998-04-28
5646439 Electronic chip component with passivation film and organic protective film Kazuhiro Mori, Keiji Saeki, Takashi Akiguchi 1997-07-08
5622590 Semiconductor device and method of manufacturing the same Yoshinobu Kunitomo, Makoto Nozu, Yasuyuki Sakashita, Masahide Tsukamoto, Seiichi Nakatani +1 more 1997-04-22
5550408 Semiconductor device Yoshinobu Kunitomo, Makoto Nozu, Yasuyuki Sakashita, Masahide Tsukamoto, Seiichi Nakatani +1 more 1996-08-27
5436503 Semiconductor device and method of manufacturing the same Yoshinobu Kunitomo, Makoto Nozu, Yasuyuki Sakashita, Masahide Tsukamoto, Seiichi Nakatani +1 more 1995-07-25
5240170 Method for bonding lead of IC component with electrode Kazuto Nishida, Kazuhiro Nobori, Keiji Saeki 1993-08-31
5116228 Method for bump formation and its equipment Akira Kabeshita 1992-05-26
5012388 Electrode structure of a chip type electronic component Akira Kabeshita, Tokuhito Hamane 1991-04-30
4676864 Bonding method of semiconductor device Yukio Maeda, Shuichi Murakami 1987-06-30
4510011 Strip deforming apparatus Yusaku Azuma, Shinji Kawaida 1985-04-09
4447014 Tire component assembly Yusaku Azuma, Chiaki Ozawa 1984-05-08