HK

Hideaki Kawata

HC Hitachi Powdered Metals Co.: 18 patents #1 of 246Top 1%
HC Hitachi Chemical Company: 8 patents #199 of 1,946Top 15%
MC Mita Industrial Co.: 5 patents #283 of 891Top 35%
Nissan Motor Co.: 4 patents #1,803 of 8,689Top 25%
KM Kyocera Mita: 3 patents #214 of 763Top 30%
Canon: 2 patents #12,681 of 19,416Top 70%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
RE Resonac: 1 patents #191 of 474Top 45%
Overall (All Time): #89,305 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 1–25 of 37 patents

Patent #TitleCo-InventorsDate
12060628 Sintered valve guide and method for producing same Daisuke Fukae 2024-08-13
10150162 Iron-based sintered alloy for sliding member and production method therefor Hidekazu Tokushima 2018-12-11
10131972 Iron based sintered sliding member and method for producing same Daisuke Fukae 2018-11-20
10094009 Sintered alloy and production method therefor Daisuke Fukae 2018-10-09
10006111 Sintered alloy and manufacturing method thereof Daisuke Fukae 2018-06-26
9982563 Sintered alloy and manufacturing method thereof Daisuke Fukae 2018-05-29
9982562 Sintered alloy and manufacturing method thereof Daisuke Fukae 2018-05-29
9744591 Iron base sintered sliding member and method for producing same Daisuke Fukae 2017-08-29
9637811 Iron-based sintered sliding member and production method therefor Daisuke Fukae, Hidekazu Tokushima 2017-05-02
9631669 Oil-impregnated sintered bearing and production method therefor Naoki Nishizawa, Hidekazu Tokushima 2017-04-25
9404535 Sliding bearing assembly Hidekazu Tokushima, Daisuke Fukae, Osamu Mawatari, Hideki Akita, Makoto Sugaya +3 more 2016-08-02
9340857 Sintered alloy and production method therefor Daisuke Fukae 2016-05-17
9260772 Hard phase forming alloy powder, wear resistant sintered alloy, and production method for wear resistant sintered alloy 2016-02-16
9212572 Sintered valve guide and production method therefor Hiroki Fujitsuka 2015-12-15
8876935 Sintered material for valve guides and production method therefor Hiroki Fujitsuka 2014-11-04
8617288 Sintered material for valve guides and production method therefor Hiroki Fujitsuka 2013-12-31
7892481 Manufacturing method for wear resistant sintered member, sintered valve seat, and manufacturing method therefor Tatsuaki Yoshihiro, Hiroki Fujitsuka, Kunio Maki, Toru Tsuboi 2011-02-22
7625685 Magnetic mono-component toner for developing electrostatic latent image and image forming method 2009-12-01
7601196 Alloy powder for forming hard phase and ferriferous mixed powder using the same, and manufacturing method for wear resistant sintered alloy and wear resistant sintered alloy Koichiro Hayashi 2009-10-13
7575619 Wear resistant sintered member Hiroki Fujitsuka 2009-08-18
7572312 Sintered valve seat and production method therefor Hiroki Fujitsuka 2009-08-11
7452648 Magnetic mono-component toner for developing electrostatic latent image and image forming method 2008-11-18
7294167 Alloy powder for forming hard phase and ferriferous mixed powder using the same, and manufacturing method for wear resistant sintered alloy and wear resistant sintered alloy Koichiro Hayashi 2007-11-13
6660056 Valve seat for internal combustion engines Koichiro Hayashi, Toru Tsuboi 2003-12-09
6562098 Wear resistant sintered member Hiroki Fujitsuka, Koichiro Hayashi, Tomonori Miyazawa, Koji Koyanagi, Akira Fujiki +4 more 2003-05-13