TK

Tsunehiro Kawata

HI Hitachi: 11 patents #3,813 of 28,497Top 15%
Overall (All Time): #459,868 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9536646 Sintered ferrite magnet and its production method Yoshinori Kobayashi 2017-01-03
9401235 Sintered ferrite magnet and its production method Yoshinori Kobayashi 2016-07-26
7794650 Heat-resistant cast iron and exhaust equipment member formed thereby Yoshio Igarashi, Seiichi Endo, Masahiro Miyake 2010-09-14
7785385 Ceramic honeycomb structure and moldable material usable for its extrusion molding Osamu Tokudome, Hirohisa Suwabe, Kenichiro Sekiguchi, Hideya Yamane 2010-08-31
7031166 Silicon nitride powder, silicon nitride sintered body, sintered silicon nitride substrate, and circuit board and thermoelectric module comprising such sintered silicon nitride substrate Hisayuki Imamura, Shigeyuki Hamayoshi, Masahisa Sobue 2006-04-18
7022252 Permanent magnetic alloy and bonded magnet Mitsuaki Mochizuki, Michihisa Shimizu, Masao Murakawa 2006-04-04
6846765 Silicon nitride powder, silicon nitride sintered body, sintered silicon nitride substrate, and circuit board and thermoelectric module comprising such sintered silicon nitride substrate Hisayuki Imamura, Shigeyuki Hamayoshi, Masahisa Sobue 2005-01-25
6468365 R-T-B sintered permanent magnet Kimio Uchida 2002-10-22
6156383 Alumina coated tool and production method thereof Toshio Ishii, Masayuki Gonda, Hiroshi Ueda 2000-12-05
5972495 Alumina coated tool and production method thereof Toshio Ishii, Masayuki Gonda, Hiroshi Ueda 1999-10-26
5569334 Stainless steel member for semiconductor fabrication equipment and surface treatment method therefor Katsuhiko Kojo, Youichiro Kazama, Takayuki Fukaya, Toshihiko Tsujimura 1996-10-29