YT

Yoichi Tamaki

HI Hitachi: 28 patents #1,022 of 28,497Top 4%
HC Hitachi Device Engineering Co.: 6 patents #68 of 514Top 15%
HC Hitachi Ulsi Systems Co.: 2 patents #419 of 867Top 50%
HA Hatachi: 1 patents #1 of 40Top 3%
Overall (All Time): #119,812 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 1–25 of 31 patents

Patent #TitleCo-InventorsDate
7576406 Semiconductor device Hideaki Nonami, Masato Hamamoto 2009-08-18
7238582 Semiconductor device and process of producing the same Hiromi Shimamoto, Takashi Uchino, Takeo Shiba, Kazuhiro Ohnishi, Takashi Kobayashi +2 more 2007-07-03
7089525 Semiconductor device and method for fabricating the same Takayuki Iwasaki, Kousuke Tsuji, Chiyoshi Kamada 2006-08-08
6876067 Semiconductor device Taiga Arai, Fujiaki Nose, Hiroshi Kikuchi 2005-04-05
6835632 Semiconductor device and process of producing the same Hiromi Shimamoto, Takashi Uchino, Takeo Shiba, Kazuhiro Ohnishi, Takashi Kobayashi +2 more 2004-12-28
6662344 Semiconductor device and method for fabricating the same Takayuki Iwasaki, Kousuke Tsuji, Chiyoshi Kamada 2003-12-09
6610569 Semiconductor device and process of producing the same Hiromi Shimamoto, Takashi Uchino, Takeo Shiba, Kazuhiro Ohnishi, Takashi Kobayashi +2 more 2003-08-26
6573578 Photo semiconductor integrated circuit device and optical recording reproducing apparatus Shigeharu Kimura, Kenji Maio, Takeshi Doi, Takeshi Shimano 2003-06-03
6524924 Semiconductor device and process of producing the same Hiromi Shimamoto, Takashi Uchino, Takeo Shiba, Kazuhiro Ohnishi, Takashi Kobayashi +2 more 2003-02-25
6133094 Semiconductor device and process of producing the same Hiromi Shimamoto, Takashi Uchino, Takeo Shiba, Kazuhiro Ohnishi, Takashi Kobayashi +2 more 2000-10-17
5846869 Method of manufacturing semiconductor integrated circuit device Takashi Hashimoto, Hideo Miura, Toshiyuki Kikuchi, Toshiyuki Mine, Takahiro Kumauchi 1998-12-08
5793097 Semiconductor device having conducting structure Hiromi Shimamoto, Takashi Uchino, Takeo Shiba, Kazuhiro Ohnishi, Takashi Kobayashi +2 more 1998-08-11
5773340 Method of manufacturing a BIMIS Takahiro Kumauchi, Takashi Hashimoto, Osamu Kasahara, Satoshi Yamamoto, Takeo Shiba +1 more 1998-06-30
5643805 Process for producing a bipolar device Hiroyuki Ohta, Hideo Miura, Hiroo Masuda, Takahide Ikeda, Asao Nishimura +1 more 1997-07-01
5619069 Bipolar device and production thereof Hiroyuki Ohta, Hideo Miura, Hiroo Masuda, Takahide Ikeda, Asao Nishimura +1 more 1997-04-08
5324983 Semiconductor device Takahiro Onai, Takeo Shiba, Tohru Nakamura, Katsuyoshi Washio, Kazuhiro Ohnishi +1 more 1994-06-28
5200348 Method of manufacturing semiconductor device with constant width deep groove isolation Akihisa Uchida, Daisuke Okada, Toshihiko Takakura, Katsumi Ogiue, Masao Kawamura 1993-04-06
5141888 Process of manufacturing semiconductor integrated circuit device having trench and field isolation regions Mikinori Kawaji, Toshihiko Takakura, Akihisa Uchida, Shigeo Kuroda, Takeo Shiba +2 more 1992-08-25
5128743 Semiconductor device and method of manufacturing the same Tokuo Kure, Akira Sato, Hisayuki Higuchi 1992-07-07
5084402 Method of fabricating a semiconductor substrate, and semiconductor device, having thick oxide films and groove isolation Akihisa Uchida, Daisuke Okaka, Toshihiko Takakura, Katsumi Ogiue, Masao Kawamura 1992-01-28
5011788 Process of manufacturing semiconductor integrated circuit device and product formed thereby Mikinori Kawaji, Toshihiko Takakura, Akihisa Uchida, Shigeo Kuroda, Takeo Shiba +2 more 1991-04-30
4984048 Semiconductor device with buried side contact Kazuhiko Sagara, Tokuo Kure, Eiichi Murakami, Tohru Nakamura, Masanobu Miyao +2 more 1991-01-08
4949162 Semiconductor integrated circuit with dummy pedestals Kiyoji Ikeda, Toru Nakamura, Akihisa Uchida, Toru Koizumi, Hiromichi Enami +4 more 1990-08-14
4926235 Semiconductor device Tokuo Kure, Tohru Nakamura, Tetsuya Hayashida, Kiyoji Ikeda, Katsuyoshi Washio +3 more 1990-05-15
4905078 Semiconductor device Kazuhiko Sagara, Noriyuki Homma, Tohru Nakamura 1990-02-27