KH

Ken Hirota

Sumitomo Electric Industries: 12 patents #2,165 of 21,551Top 15%
TD The Doshisha: 4 patents #7 of 175Top 4%
DC Daiichi Kigenso Kagaku Kogyo Co.: 1 patents #28 of 61Top 50%
MI Mitsuba: 1 patents #291 of 618Top 50%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
Overall (All Time): #272,889 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
11056258 Magnetic material and production method therefor Masaki Kato, Junichi Kotani, Nobuya Matsutani 2021-07-06
10128720 Electric motor and electric pump Masaki Ishizeki, Yoichi Shindo, Shinji Shibuya, Atsushi Takahashi, Yuzuru Masuyama +4 more 2018-11-13
9902654 ZrO2-Al2O3-based ceramic sintered compact and production method thereof Xiaoteng Ge, Hideo Kimura 2018-02-27
7893000 Boron carbide ceramic and manufacturing method thereof Yoshihiro Nakayama, Shingo Nakane 2011-02-22
7799715 Boron carbide ceramic and manufacturing method thereof Yoshihiro Nakayama, Shingo Nakane 2010-09-21
5352522 Composite material comprising metallic alloy grains coated with a dielectric substance Koichi Kugimiya, Yasuhiro Sugaya, Osamu Inoue, Mitsuo Satomi 1994-10-04
5350628 Magnetic sintered composite material Koichi Kugimiya, Yasuhiro Sugaya, Osamu Inoue, Mitsuo Satomi 1994-09-27
5238507 Magnetic material Koichi Kugimiya, Yasuhiro Sugaya, Osamu Inoue, Mitsuo Satomi 1993-08-24
5217818 Substrate material for magnetic head and magnetic head using same Mitsuo Satomi, Koichi Kugimiya 1993-06-08
5183631 Composite material and a method for producing the same Koichi Kugimiya, Yasuhiro Sugaya, Osamu Inoue, Mitsuo Satomi 1993-02-02
5164264 Composite substrate Koichi Kugimiya, Mitsuo Satomi 1992-11-17
5104739 Laminated magnetic material and method of producing the same Mitsuo Satomi, Koichi Kugimiya 1992-04-14
5073214 Magnetic material for a magnetic head Mitsuo Satomi, Koichi Kugimiya 1991-12-17
5034285 Magnetic head Mitsuo Satomi, Osamu Inoue 1991-07-23
4900393 Process for producing single-crystal ceramics Koichi Kugimiya, Keiichi Matsuyama 1990-02-13
4901179 Magnetic head having a laminated structure Mitsuo Satomi, Osamu Inoue 1990-02-13
4521323 Polycrystalline ferrite and a magnetic head using the same Yoshiaki Fujimoto, Kouichi Watanabe, Minoru Sugimura 1985-06-04