KT

Kazumasa Takagi

HI Hitachi: 28 patents #1,022 of 28,497Top 4%
Nissan Motor Co.: 4 patents #1,803 of 8,689Top 25%
HC Hitachi Chemical Company: 2 patents #701 of 1,946Top 40%
IC International Superconductivity Technology Center: 1 patents #110 of 245Top 45%
Overall (All Time): #90,580 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 1–25 of 37 patents

Patent #TitleCo-InventorsDate
9284740 Mortar peeling method Eizou Takagi, Masayuki Asakura, Tatsuya Ida 2016-03-15
9068320 Mounting base Eizou Takagi 2015-06-30
8955283 Mounting base Eizou Takagi 2015-02-17
6958608 Nuclear magnetic resonance equipment Kazuo Saitoh, Hisaaki Ochi, Hiroshi Morita, Masae Kiryu, Michiya Okada 2005-10-25
6627253 Magnetic recording media for longitudinal recording, process for producing the same and magnetic memory apparatus Hiroyuki Suzuki, Yoshihiro Shiroishi, Sadao Hishiyama, Tomoyuki Ohno, Yotsuo Yahisa +5 more 2003-09-30
6608518 Superconducting single flux quantum circuit Futoshi Furuta, Kazuo Saitoh 2003-08-19
6486756 Superconductor signal amplifier Yoshinobu Tarutani, Kazuo Saitoh, Yoshihisa Soutome, Tokuumi Fukazawa, Akira Tsukamoto 2002-11-26
6335103 Magnetic recording media for longitudinal recording Hiroyuki Suzuki, Yoshihiro Shiroishi, Sadao Hishiyama, Tomoyuki Ohno, Yotsuo Yahisa +5 more 2002-01-01
6310488 Superconductive single flux quantum logic circuit Haruhiro Hasegawa, Yoshinobu Tarutani, Tokuumi Fukazawa 2001-10-30
5914068 Bi-layer oxide ferroelectrics Masahiko Hiratani, Keiko Kushida, Kazushige Imagawa 1999-06-22
5665478 Magnetic recording media for longitudinal recording Hiroyuki Suzuki, Yoshihiro Shiroishi, Sadao Hishiyama, Tomoyuki Ohno, Yotsuo Yahisa +5 more 1997-09-09
5550389 Superconducting device Toshikazu Nishino, Mutsuko Hatano, Haruhiro Hasegawa, Hideaki Nakane, Ushio Kawabe +2 more 1996-08-27
5380704 Superconducting field effect transistor with increased channel length Yoshinobu Tarutani, Tokuumi Fukazawa, Uki Kabasawa, Akira Tsukamoto, Masahiko Hiratani +1 more 1995-01-10
5316585 Method for fabricating superconducting materials and superconductive thin films Yukio Okamoto, Toshiyuki Aida, Katsuki Miyauchi, Tokuumi Fukazawa, Shinji Takayama 1994-05-31
5250506 Superconductive switching element with semiconductor channel Shinichiroh Saitoh, Yoshinobu Tarutani, Tokuumi Fukazawa, Masahiko Hiratani, Toshikazu Nishino +3 more 1993-10-05
5231294 Manganese-aluminum and manganese-silicon magnetic films, and magnetic recording medium Teruaki Takeuchi, Masaaki Futamoto, Yukio Honda, Yoshiyuki Hirayama 1993-07-27
5147732 Longitudinal magnetic recording media and magnetic memory units Yoshihiro Shiroishi, Takeo Yamashita, Sadao Hishiyama, Noriyuki Kumasaka, Yoshibumi Matsuda +4 more 1992-09-15
5143794 Magnetic recording media for longitudinal recording, process for producing the same and magnetic memory apparatus Hiroyuki Suzuki, Yoshihiro Shiroishi, Sadao Hishiyama, Tomoyuki Ohno, Yotsuo Yahisa +5 more 1992-09-01
5096882 Process for controlling oxygen content of superconductive oxide, superconductive device and process for production thereof Takahiko Kato, Katsuzo Aihara, Jiro Kuniya, Yutaka Misawa, Yoshihide Wadayama +6 more 1992-03-17
5077266 Method of forming weak-link Josephson junction, and superconducting device employing the junction Tokuumi Fukazawa, Yoshimi Kawanami, Yuuichi Madokoro, Katsuki Miyauchi, Toshiyuki Aida +3 more 1991-12-31
4950642 Method for fabricating superconducting oxide thin films by activated reactive evaporation Yukio Okamoto, Toshiyuki Aida, Katsuki Miyauchi, Tokuumi Fukazawa, Shinji Takayama 1990-08-21
4939045 Magnetic recording medium Kazuetsu Yoshida, Yoshihiro Shiroishi, Makoto Saito, Norikazu Tsumita, Takeo Yamashita +8 more 1990-07-03
4921834 Flux method of growing oxide superconductors Haruhiro Hasegawa, Ushio Kawabe, Yoshinobu Tarutani, Tokuumi Fukazawa, Toshiyuki Aida 1990-05-01
4883711 Magnetic recording medium Yoshihiro Shiroishi, Sadao Hishiyama, Hiroyuki Suzuki, Tomoyuki Ohno, Yoshibumi Matsuda +4 more 1989-11-28
4876144 Single crystal thin film Kenzo Susa, Toshio Kobayashi, Takanobu Takayama, Norio Ohta 1989-10-24