YB

Yoshihiro Bessho

Sumitomo Electric Industries: 51 patents #153 of 21,551Top 1%
Overall (All Time): #53,081 of 4,157,543Top 2%
51
Patents All Time

Issued Patents All Time

Showing 26–50 of 51 patents

Patent #TitleCo-InventorsDate
6300576 Printed-circuit board having projection electrodes and method for producing the same Yoshifumi Nakamura, Minehiro Itagaki, Hiroaki Takezawa, Tsukasa Shiraishi 2001-10-09
6284640 Manufacturing method for semiconductor device, mounting method of semiconductor device, semiconductor device, and inspecting method of semiconductor device Masahiro Ono, Tsukasa Shiraishi, Kazuo Eda 2001-09-04
6229209 Chip carrier Yoshifumi Nakamura, Minehiro Itagaki 2001-05-08
6207550 Method for fabricating bump electrodes with a leveling step for uniform heights Nobuhiro Hase, Minehiro Itagaki, Yoshifumi Nakamura, Satoru Yuhaku, Hiroaki Takezawa 2001-03-27
6154940 Electronic part and a method of production thereof Keiji Onishi, Hideki Iwaki, Shun-ichi Seki, Yutaka Taguchi, Tsukasa Shiraishi +2 more 2000-12-05
6103551 Semiconductor unit and method for manufacturing the same Masahiro Ono 2000-08-15
6088236 Semiconductor device having a bump having a rugged side Yoshihiro Tomura 2000-07-11
5940679 Method of checking electric circuits of semiconductor device and conductive adhesive for checking usage Yoshihiro Tomura, Yoshifumi Nakamura 1999-08-17
5920142 Electronic part and a method of production thereof Keiji Onishi, Hideki Iwaki, Shun-ichi Seki, Yutaka Taguchi, Tsukasa Shiraishi +2 more 1999-07-06
5844320 Semiconductor unit with semiconductor device mounted with conductive adhesive Masahiro Ono 1998-12-01
5688441 Thixotropic conductive paste Minehiro Itagaki, Satoru Yuhaku, Yasuhiko Hakotani, Kazuhiro Miura, Kazuyuki Okano 1997-11-18
5670826 Method for mounting a semiconductor device on a circuit board using a conductive adhesive and a thermosetting resin, and a circuit board with a semiconductor device mounted thereon using the method Yoshihiro Tomura 1997-09-23
5662755 Method of making multi-layered ceramic substrates Kazuhiro Miura, Satoru Yuhaku, Yasuhiko Hakotani, Minehiro Itagaki, Yoshifumi Nakamura +1 more 1997-09-02
5651179 Method for mounting a semiconductor device on a circuit board Yoshihiro Tomura 1997-07-29
5641996 Semiconductor unit package, semiconductor unit packaging method, and encapsulant for use in semiconductor unit packaging Kazunori Omoya, Takashi Oobayashi, Wataru Sakurai, Mitsuru Harada 1997-06-24
5640051 Chip package, a chip carrier, a terminal electrode for a circuit substrate and a chip package-mounted complex Yoshihiro Tomura, Yasuhiko Hakotani 1997-06-17
5628919 Methods for producing a chip carrier and terminal electrode for a circuit substrate Yoshihiro Tomura, Yasuhiko Hakotani 1997-05-13
5547530 Method of manufacturing a ceramic substrate Yoshifumi Nakamura, Satoru Yuhaku, Yasuhiko Hakotani, Minehiro Itagaki, Kazuhiro Miura 1996-08-20
5545589 Method of forming a bump having a rugged side, a semiconductor device having the bump, and a method of mounting a semiconductor unit and a semiconductor device Yoshihiro Tomura 1996-08-13
5525402 Ceramic substrate and manufacturing method thereof Yoshifumi Nakamura, Satoru Yuhaku, Yasuhiko Hakotani, Minehiro Itagaki, Kazuhiro Miura 1996-06-11
5503777 Thixotropic conductive paste Minehiro Itagaki, Satoru Yuhaku, Yasuhiko Hakotani, Kazuhiro Miura, Kazuyuki Okano 1996-04-02
5496619 Assembly formed from conductive paste and insulating paste Minehiro Itagaki, Kazuyuki Okano, Suzushi Kimura, Seiichi Nakatani, Satoru Yuhaku +2 more 1996-03-05
5485949 Capillary for a wire bonding apparatus and a method for forming an electric connection bump using the capillary Yoshihiro Tomura 1996-01-23
5407473 Conductive ink Kazuhiro Miura, Satoru Yuhaku, Yasuhiko Hakotani, Minehiro Itagaki, Yoshifumi Nakamura +1 more 1995-04-18
5090119 Method of forming an electrical contact bump Toshio Tsuda, Yasuhiko Horio, Toru Ishida 1992-02-25