HK

Hirofumi Kawasaki

TK Toda Kogyo: 10 patents #44 of 328Top 15%
KS Kobe Steel: 2 patents #616 of 1,773Top 35%
IM Imation: 1 patents #303 of 622Top 50%
Overall (All Time): #400,016 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
12409506 Welding control method and welding control device for portable welding robot, portable welding robot, and welding system Takashi Yashima, Masaru Kodama, Shinobu TODA 2025-09-09
11958145 Welding device, and welding method employing welding device Takashi Yashima, Masahiro Yokota, Shun Izutani, Shinobu TODA 2024-04-16
11120932 R-T-B-based rare earth magnet particles, and bonded magnets containing R-T-B-based rare earth magnet particles Nobuhiro Katayama, Koichiro Morimoto 2021-09-14
8907755 R-T-B-based rare earth magnet particles, process for producing the R-T-B- based rare earth magnet particles, and bonded magnet Nobuhiro Katayama, Koichiro Morimoto 2014-12-09
7670676 Pharmaceutical raw material Nanao Horiishi, Toshiyuki Hakata, Shinji Uemoto, Hiromitsu Misawa, Seiichi Takahashi 2010-03-02
5735969 Method of producing acicular magnetic alloy particles Jean A. Lown, Yasutaka Ota, Kenji Okinaka 1998-04-07
5599378 Spindle-shaped magnetic iron based alloy particles and process for producing the same Akio Mishima, Tosiharu Harada, Mamoru Tanihara, Yasutaka Ota, Kenji Okinaka +4 more 1997-02-04
5531922 Granulated particles for magnetic particles for magnetic recording, and process for producing the same Kenji Okinaka, Yasutaka Ota, Kohji Mori, Masayuki Uegami, Akio Mishima +5 more 1996-07-02
5466306 Spindle-shaped magnetic iron based alloy particles Akio Mishima, Tosiharu Harada, Mamoru Tanihara, Yasutaka Ota, Kenji Okinaka +4 more 1995-11-14
5238483 Acicular magnetic iron based alloy particles for magnetic recording and method of producing the same Akio Mishima, Mamoru Tanihara, Yasutaka Ota, Kenji Okinaka, Kunio Ikemoto +3 more 1993-08-24
5156922 Acicular magnetic iron based alloy particles for magnetic recording and method of producing the same Akio Mishima, Mamoru Tanihara, Yasutaka Ota, Kenji Okinaka, Kunio Ikemoto +3 more 1992-10-20
4873010 Spindle-like magnetic iron oxide particles and process for producing the same Atsushi Takedoi, Hiroyuki Kondo, Masaru Isoai, Yoshitaka Yoshinaga, Tosiharu Harada +3 more 1989-10-10