KT

Kohei Tatsumi

NS Nippon Steel: 17 patents #85 of 4,423Top 2%
WU Waseda University: 6 patents #13 of 411Top 4%
NC Nippon Steel Materials Co.: 3 patents #4 of 34Top 15%
TI Texas Instruments: 2 patents #5,248 of 12,488Top 45%
NM Nippon Micrometal: 2 patents #16 of 39Top 45%
BS Ball Semiconductor: 2 patents #24 of 63Top 40%
MH Mitsui High-Tec: 1 patents #93 of 174Top 55%
NM Nippon Steel & Sumitomo Metal: 1 patents #786 of 1,491Top 55%
Overall (All Time): #144,942 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDate
11810885 Semiconductor element bonding structure, method for producing semiconductor element bonding structure, and electrically conductive bonding agent Yasunori Tanaka 2023-11-07
11152286 Power semiconductor module device 2021-10-19
10903146 Electrode connection structure, lead frame, and method for forming electrode connection structure Kazutoshi Ueda, Nobuaki Sato, Koji Shimizu 2021-01-26
9960140 Metal joining structure using metal nanoparticles and metal joining method and metal joining material Shinji Ishikawa, Norie MATSUBARA, Masamoto Tanaka 2018-05-01
9601448 Electrode connection structure and electrode connection method 2017-03-21
9059003 Power semiconductor device, method of manufacturing the device and bonding wire Takashi Yamada, Daizo Oda 2015-06-16
8104663 Solder ball mounting method and apparatus Shinji Ishikawa, Eiji Hashino 2012-01-31
8097960 Semiconductor mounting bonding wire Shinichi Terashima, Tomohiro Uno, Takashi Yamada, Atsuo Ikeda, Daizo Oda 2012-01-17
8044408 SiC single-crystal substrate and method of producing SiC single-crystal substrate Tatsuo Fujimoto, Taizo Hoshino, Masakazu Katsuno, Noboru Ohtani, Masashi Nakabayashi +3 more 2011-10-25
7969021 Bonding wire for semiconductor device and method for producing the same Tomohiro Uno, Shinichi Terashima 2011-06-28
7390370 Gold bonding wires for semiconductor devices and method of producing the wires Tomohiro Uno, Shinichi Terashima 2008-06-24
7285486 Ball transferring method and apparatus Kenji Shimokawa, Eiji Hashino 2007-10-23
7045389 Method for fabricating a semiconductor devices provided with low melting point metal bumps Kenji Shimokawa, Eiji Hashino 2006-05-16
7045388 Semiconductor device provided with low melting point metal bumps Kenji Shimokawa, Eiji Hashino 2006-05-16
6916731 Ball transferring method and apparatus Kenji Shimokawa, Eiji Hashino 2005-07-12
6909182 Spherical semiconductor device and method for fabricating the same Kenji Shimokawa, Eiji Hashino, Nobuo Takeda, Atsuyuki Fukano 2005-06-21
6884708 Method of partially plating substrate for electronic devices Kenji Shimokawa, Eiji Hashino 2005-04-26
6571007 Ball-arranging substrate for forming bump, ball-arranging head, ball-arranging device, and ball-arranging method Kenji Shimokawa, Eiji Hashino 2003-05-27
6509645 Spherical semiconductor device and method for fabricating the same Kenji Shimokawa, Eiji Hashino, Nobuo Takeda, Atsuyuki Fukano 2003-01-21
6210637 Gold alloy thin wire for semiconductor devices Tomohiro Uno 2001-04-03
6080492 Gold alloy thin wire for semiconductor devices Tomohiro Uno 2000-06-27
5857610 Process and apparatus for forming ball bumps Hiroshi Hoshiba, Masashi Konda, Yoji Kawakami 1999-01-12
5803339 Process and apparatus for forming ball bumps Hiroshi Hoshiba, Masashi Konda, Yoji Kawakami 1998-09-08
5687901 Process and apparatus for forming ball bumps Hiroshi Hoshiba, Masashi Konda, Yoji Kawakami 1997-11-18
5639558 Insulating resin-coated bonding wire Hiroyuki Kondo, Michio Nitta, Shinya Nariki 1997-06-17