KH

Kazuo Hokkirigawa

MC Minebea Co.: 25 patents #11 of 736Top 2%
DP Daio Paper: 3 patents #54 of 258Top 25%
TU Tohoku University: 3 patents #210 of 1,680Top 15%
BO Borgwarner: 1 patents #797 of 1,600Top 50%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #112,263 of 4,157,543Top 3%
32
Patents All Time

Issued Patents All Time

Showing 1–25 of 32 patents

Patent #TitleCo-InventorsDate
11692993 Tissue paper and method of evaluating the same Shuta Yasui, Hidenori YOROZU, Takeshi Yamaguchi, Kei Shibata, Naoya Yamai +1 more 2023-07-04
11384483 Tissue paper Sachiko Takahashi, Takeshi Yamaguchi, Kei Shibata 2022-07-12
10570568 Tissue paper Shuta Yasui, Norimitsu Hirata, Hidenori YOROZU, Takeshi Yamaguchi, Kei Shibata +2 more 2020-02-25
10208833 Sliding member, chain link, and chain comprising said link Junichi Eda, Yasushi Miyazaki, Yukio Yoshida 2019-02-19
9120913 Elastic composite material and mold product using the same Kei Takahashi, Osamu Murakami, Mika Hayashi, Takeshi Yamaguchi, Kei Shibata 2015-09-01
7306374 Special type bearing device Rikuro Obara 2007-12-11
7168857 Special type bearing device Rikuro Obara 2007-01-30
7144932 Low-friction, high-dispersion synthetic resin composition containing fine particles of RB ceramic or CRB ceramic and a method for its preparation Rikuro Obara 2006-12-05
7140778 Synthetic resin composites and bearings formed therefrom and method Motoharu Akiyama, Morinobu Kawamura 2006-11-28
7132155 RBC or CRBC fine powder dispersing foam-molded synthetic resin material, method for preparing same and uses thereof Motoharu Akiyama, Morinobu Kawamura 2006-11-07
7008196 Electrically motorized pump having a submersible sleeve bearing Motoharu Akiyama, Morinobu Kawamura 2006-03-07
6887288 Superfinishing grindstone Motoharu Akiyama, Noriyuki Yoshimura 2005-05-03
6855279 Weather-resistant exterior building material Rikuro Obara 2005-02-15
6846355 Road paving material and method Noriyuki Yoshimura, Jun Hirose 2005-01-25
6821433 Water purification method Motoharu Akiyama, Noriyuki Yoshimura 2004-11-23
6799893 Special type bearing device Rikuro Obara 2004-10-05
6787075 Method of making synthetic resin composition with lubricative underwater properties containing RBC or CRBC fine powder Rikuro Obara 2004-09-07
6783433 Polishing-washing method Motoharu Akiyama, Noriyuki Yoshimura 2004-08-31
6775931 Stud and shoe provided with the studs Motoharu Akiyama, Noriyuki Yoshimura 2004-08-17
6777042 Deodorizing and absorbing material Motoharu Akiyama, Noriyuki Yoshimura 2004-08-17
6777360 Ceramic material, method of producing same, and formed product thereof Rikuro Obara, Motoharu Akiyama 2004-08-17
6746519 Air cleaning filter Motoharu Akiyama, Noriyuki Yoshimura 2004-06-08
6725574 Shoe midsole, method for preparing same and shoes using same Motoharu Akiyama, Noriyuki Yoshimura 2004-04-27
6712517 Sleeve bearing arrangement Rikuro Obara, Motoharu Akiyama 2004-03-30
6689729 Powder detergent Motoharu Akiyama, Noriyuki Yoshimura 2004-02-10