YK

Yoshifumi Kawamoto

HI Hitachi: 35 patents #681 of 28,497Top 3%
RT Renesas Technology: 5 patents #592 of 3,337Top 20%
HC Hitachi Engineering Co.: 1 patents #187 of 572Top 35%
SK Showa Denko K.K.: 1 patents #940 of 1,736Top 55%
Overall (All Time): #76,996 of 4,157,543Top 2%
41
Patents All Time

Issued Patents All Time

Showing 26–41 of 41 patents

Patent #TitleCo-InventorsDate
5140389 Semiconductor memory device having stacked capacitor cells Shinichiro Kimura, Naotaka Hashimoto, Yoshio Sakai, Tokuo Kure, Toru Kaga +1 more 1992-08-18
5118633 Method for manufacturing a BiCMOS semiconductor device Kazuhiko Sagara, Kiyoo Itoh, Goro Kitsukawa, Yoshiki Kawajiri 1992-06-02
5106775 Process for manufacturing vertical dynamic random access memories Toru Kaga, Hideo Sunami 1992-04-21
5038193 Semiconductor integrated circuit device Yoshiaki Kamigaki, Shinichi Minami, Kazunori Furusawa, Shoji Shukuri, Masaaki Terasawa +2 more 1991-08-06
5017981 Semiconductor memory and method for fabricating the same Hideo Sunami, Tokuo Kure 1991-05-21
5012312 Semiconductor integrated circuit and a process for producing the same 1991-04-30
5012310 Semiconductor memory having stacked capacitor Shinichiro Kimura, Toru Kaga, Hideo Sunami 1991-04-30
4984030 Vertical MOSFET DRAM Hideo Sunami, Tokuo Kure, Masao Tamura, Masanobu Miyao 1991-01-08
4970564 Semiconductor memory device having stacked capacitor cells Shinichiro Kimura, Naotaka Hashimoto, Yoshio Sakai, Tokuo Kure 1990-11-13
4967247 Vertical dynamic random access memory Toru Kaga, Hideo Sunami 1990-10-30
4901128 Semiconductor memory Hideo Sunami, Tokuo Kure, Masanobu Miyao, Katsuhiro Shimohigashi, Yoshio Sakai +4 more 1990-02-13
4882289 Method of making a semiconductor memory device with recessed array region Noboru Moriuchi, Yoshiki Yamaguchi, Toshihiko Tanaka, Norio Hasegawa, Shin Kimura +2 more 1989-11-21
4873203 Method for formation of insulation film on silicon buried in trench Toru Kaga, Shinichiro Kimura, Tokuo Kure, Hideo Sunami 1989-10-10
4853894 Static random-access memory having multilevel conductive layer Toshiaki Yamanaka, Norio Suzuki, Yoshio Sakai, Osamu Minato, Koichiro Ishibashi +2 more 1989-08-01
4751557 Dram with FET stacked over capacitor Hideo Sunami, Tokuo Kure, Masao Tamura, Masanobu Miyao 1988-06-14
4529476 Gas for selectively etching silicon nitride and process for selectively etching silicon nitride with the gas Hiroshi Kawakami, Tokuo Kure, Shinichi Tachi, Norikazu Hashimoto, Tsuyoshi Takaichi 1985-07-16