TK

Tatsuo Kumura

SO Sony: 10 patents #4,411 of 25,231Top 20%
DE Dexerials: 5 patents #90 of 387Top 25%
📍 Tochigi, JP: #269 of 2,789 inventorsTop 10%
Overall (All Time): #316,695 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
11322425 Semiconductor device 2022-05-03
11043461 Semiconductor device having an electromagnetic wave absorbing thermal conductive sheet between a semiconductor element and a cooling member Hiroyuki Ryoson 2021-06-22
10892204 Electromagnetic wave absorbing heat conductive sheet, method for producing electromagnetic wave absorbing heat conductive sheet, and semiconductor device Yusuke KUBO, Keisuke Aramaki, Hiroyuki Ryoson 2021-01-12
10269487 Antenna device and electronic apparatus 2019-04-23
10002704 Coil module Yusuke KUBO 2018-06-19
8465663 Composition for electromagnetic wave suppression and heat radiation and method for manufacturing composition for electromagnetic wave suppression and heat radiation Yoshihiro Kato, Kazuhiko Suzuki, Yusuke KUBO 2013-06-18
6132891 Amorphous soft magnetic material Yukari Utsumi, Hideaki Karamon 2000-10-17
5663857 Magnetic head Fusashige Tokutake, Akira Urai, Junichi Honda, Hideaki Ojima 1997-09-02
5162960 Magnetic head with improved core bonding Katsumi Sakata, Ikuko Sato, Toshito Ikeda, Hiroya Eguchi, Hideaki Matsuyama +1 more 1992-11-10
5150511 Method for manufacturing a magnetic transducer head Katsumi Sakata, Atsushi Suzuki, Yoshito Ikeda, Kaoru Aoki, Naoto Kojima +1 more 1992-09-29
4953050 Magnetic head with Ru containing soft magnetic alloy in gap Heikichi Sato, Yoshiyuki Kunito, Yoshito Ikeda, Etsuo Izu, Masatoshi Hayakawa 1990-08-28
4819113 Magnetic transducer head with inclined magnetic gap Makoto Kubota, Junichi Saito, Tomio Kobayashi, Heikichi Sato 1989-04-04
4755899 Magnetic transducer head having an alloy thin film of high saturation magnetic flux density slantly provided with respect to an operating magnetic gap formed therein Tomio Kobayashi, Heikichi Sato, Makoto Kubota, Shoichi Kano, Kazushi Yamauchi +2 more 1988-07-05
4683012 Magnetic thin film Kazushi Yamauchi, Muneyuki Ogata, Tomio Kobayashi, Makoto Kubota 1987-07-28
4671828 Magnetic thin film Kazushi Yamauchi, Muneyuki Ogata, Tomio Kobayashi, Makoto Kubota 1987-06-09