AI

Akihiko Iwaya

HI Hitachi: 15 patents #2,636 of 28,497Top 10%
AC Akita Electronics Co.: 3 patents #12 of 68Top 20%
HS Hitachi Microcomputer System: 3 patents #41 of 257Top 20%
HC Hitachi Ulsi Systems Co.: 3 patents #305 of 867Top 40%
RE Renesas Electronics: 2 patents #1,855 of 4,529Top 45%
HM Hitachi Microcomputer: 1 patents #2 of 21Top 10%
Overall (All Time): #255,915 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
10020225 Method of manufacturing semiconductor device 2018-07-10
9805981 Semiconductor device 2017-10-31
6617196 Semiconductor device Toshio Sugano, Susumu Hatano, Yutaka Kagaya, Masachika Masuda 2003-09-09
6610561 Method of fabricating a semiconductor device Kunihiro Tsubosaki, Masachika Masuda, Atsushi Nakamura, Chikako Imura, Toshihiro Shiotsuki 2003-08-26
6576994 Semiconductor device Tamaki Wada, Masachika Masuda 2003-06-10
6545349 Semiconductor device Tamaki Wada, Masachika Masuda 2003-04-08
6452266 Semiconductor device Toshio Sugano, Susumu Hatano, Yutaka Kagaya, Masachika Masuda 2002-09-17
6392295 Semiconductor device Tamaki Wada, Masachika Masuda 2002-05-21
6388318 Surface mount-type package of ball grid array with multi-chip mounting Toshio Sugano, Susumu Hatano, Yutaka Kagaya, Masachika Masuda 2002-05-14
6335227 Method of fabricating a lead-on-chip (LOC) semiconductor device Kunihiro Tsubosaki, Masachika Masuda, Atsushi Nakamura, Chikako Imura, Toshihiro Shiotsuki 2002-01-01
6137159 Lead on chip semiconductor device and method of fabricating the same Kunihiro Tsubosaki, Masachika Masuda, Atsushi Nakamura, Chikako Imura, Toshihiro Shiotsuki 2000-10-24
6064112 Resin-molded semiconductor device having a lead on chip structure Tamaki Wada, Masachika Masuda, Kunihiro Tsubosaki, Asao Nishimura 2000-05-16
5869888 Semiconductor device with lead structure on principal surface of chip Kunihiro Tsubosaki, Michio Tanimoto, Kunihiko Nishi, Masahiro Ichitani, Shunji Koike +7 more 1999-02-09
5714405 Semiconductor device Kunihiro Tsubosaki, Michio Tanimoto, Kunihiko Nishi, Masahiro Ichitani, Shunji Koike +7 more 1998-02-03
5583375 Semiconductor device with lead structure within the planar area of the device Kunihiro Tsubosaki, Michio Tanimoto, Kunihiko Nishi, Masahiro Ichitani, Shunji Koike +7 more 1996-12-10
5571428 Semiconductor leadframe and its production method and plastic encapsulated semiconductor device Asao Nishimura, Akihiro Yaguchi, Mitsuaki Haneda, Ichiro Anjoh, Junichi Arita +1 more 1996-11-05
5437915 Semiconductor leadframe and its production method and plastic encapsulated semiconductor device Asao Nishimura, Akihiro Yaguchi, Mitsuaki Haneda, Ichiro Anjoh, Junichi Arita +1 more 1995-08-01
5252854 Semiconductor device having stacked lead structure Junichi Arita, Tomoo Matsuzawa, Masahiro Ichitani 1993-10-12