MH

Masato Hamamoto

HI Hitachi: 17 patents #2,231 of 28,497Top 8%
HC Hitachi Information Technology Co.: 1 patents #20 of 121Top 20%
TO Tokuyama: 1 patents #280 of 562Top 50%
📍 Shunan, WA: #1 of 1 inventorsTop 100%
Overall (All Time): #247,576 of 4,157,543Top 6%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
12384678 Aluminum nitride powder and method for manufacturing the same Yoshinori Tagashira, Yoshiaki Yamashita 2025-08-12
7576406 Semiconductor device Yoichi Tamaki, Hideaki Nonami 2009-08-18
6937068 Semiconductor integrated circuit Michiaki Nakayama, Kazutaka Mori, Satoru Isomura 2005-08-30
6922803 Test method of semiconductor intergrated circuit and test pattern generator Michinobu Nakao, Kazumi Hatayama, Koichiro Natsume, Yoshikazu Kiyoshige, Masaki Kouno +2 more 2005-07-26
6670201 Manufacturing method of semiconductor device Masaki Kouno, Atsushi Wakahara, Hideyuki Takahashi, Keiichi Higeta, Mitsugu Kusunoki +1 more 2003-12-30
6636075 Semiconductor integrated circuit and its fabrication method Michiaki Nakayama, Kazutaka Mori, Satoru Isomura 2003-10-21
6359472 Semiconductor integrated circuit and its fabrication method Michiaki Nakayama, Kazutaka Mori, Satoru Isomura 2002-03-19
6194915 Semiconductor integrated circuit device and process for manufacturing the same Michiaki Nakayama, Kazutaka Mori, Satoru Isomura 2001-02-27
5298802 Semiconductor integrated circuit device with a plurality of logic circuits having active pull-down functions Mitsuo Usami, Noboru Shiozawa, Toshio Yamada, Hiromasa Katoh, Kazuyoshi Satoh +4 more 1994-03-29
5283480 Semiconductor integrated circuit device with a plurality of logic circuits having active pull-down functions Mitsuo Usami, Noboru Shiozawa, Toshio Yamada, Hiromasa Katoh, Kazuyoshi Satoh +4 more 1994-02-01
5140184 Clock feeding circuit and clock wiring system Toshio Yamada 1992-08-18
5059819 Integrated logic circuit Kazuo Tanaka, Toshio Yamada, Tohru Kobayashi, Hiromasa Katoh 1991-10-22
5055710 Integrated logic circuit having plural input cells and flip-flop and output cells arranged in a cell block Kazuo Tanaka, Toshio Yamada, Tohru Kobayashi, Hiromasa Katoh 1991-10-08
5043297 Wiring method of on-chip modification for an LSI Katsuyoshi Suzuki, Takahiko Takahashi 1991-08-27
4999520 High speed TTL buffer circuit which is resistive to the influence of alpha-rays Mitsuo Usami, Noboru Shiozawa, Toshio Yamada, Hiromasa Katoh, Kazuyoshi Satoh +4 more 1991-03-12
4940905 ECL flip-flop with improved x-ray resistant properties Tohru Kobayashi, Toshio Yamada 1990-07-10
4891531 ECL flip-flop with improved .alpha.-ray resistant properties Tohru Kobayashi, Toshio Yamada 1990-01-02
4868420 Flip-flop circuit Hiroyuki Itoh, Masayoshi Yagyu, Toshio Yamada, Masaru Osanai, Akira Masaki +2 more 1989-09-19