AT

Akihiko Tsutai

KT Kabushiki Kaisha Toshiba: 11 patents #2,779 of 21,451Top 15%
Overall (All Time): #472,407 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
6475302 Permanent magnet Wu Mei, Toshiya Sakamoto, Shinya Sakurada, Takao Sawa, Akiko Saito +1 more 2002-11-05
6256863 Yoke type magnetoresistance head and manufacturing method of the same Kazuhiro Saito, Akiko Saito, Hitoshi Iwasaki, Hiroaki Yoda, Tadahiko Kobayashi +3 more 2001-07-10
5716462 Magnetic material and bonded magnet Shinya Sakurada, Takahiro Hirai, Yoshitaka Yanagita, Masashi Sahashi, Tomohisa Arai +1 more 1998-02-10
5658396 Magnetic material Shinya Sakurada, Takahiro Hirai 1997-08-19
5593517 Regenerating material and refrigerator using the same Akiko Saito, Masashi Sahashi, Yoichi Tokai, Masami Okamura, Yukiko Nishiyama +1 more 1997-01-14
5549766 Magnetic material Takahiro Hirai, Shinya Sakurada 1996-08-27
5482573 Magnetic material Shinya Sakurada, Takahiro Hirai, Masashi Sahashi, Hideo Nagai, Tsutomu Yamashita 1996-01-09
5480495 Magnetic material Shinya Sakurada, Takahiro Hirai, Masashi Sahashi 1996-01-02
5456769 Magnetic material Shinya Sakurada, Takahiro Hirai 1995-10-10
4975213 Resin-bonded rare earth-iron-boron magnet Isao Sakai, Masashi Sahashi, Tetsuhiko Mizoguchi, Koichiro Inomata 1990-12-04
4935075 Permanent magnet Tetsuhiko Mizoguchi, Isao Sakai, Hiromi Niu, Koichiro Inomata 1990-06-19