HK

Hirohisa Kubota

MC Mitsubishi Chemical: 6 patents #358 of 3,022Top 15%
SO Sony: 5 patents #7,785 of 25,231Top 35%
MK Mitsubishi Kasei: 2 patents #194 of 911Top 25%
AC Asahi Glass Co.: 1 patents #1,233 of 2,251Top 55%
NC Nippon Shokubai Co.: 1 patents #656 of 1,108Top 60%
TC Tohoku Electric Power Company: 1 patents #65 of 246Top 30%
Overall (All Time): #377,681 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
10577480 Iminodiacetate chelating resin and manufacturing method therefor Ryosuke Tsuhara, Masahiko Hashiguchi 2020-03-03
8933349 Electrical apparatus and manufacturing process of the same Kei Takahashi, Tamotsu Tetsuchikawara 2015-01-13
8754330 Electronic cable Kei Takahashi, Tamotsu Tetsuchikawara 2014-06-17
8053483 Gas adsorbent 2011-11-08
7903829 Microphone 2011-03-08
7081484 Anion exchange membrane, process for its production and solution treating apparatus Yoshio Sugaya, Hiroshi Toda, Yukio Matsumura 2006-07-25
6410656 Cation exchangers or chelating agents and process for the preparation thereof Katsuhiko Yano, Junya Watanabe, Akinori Jyo 2002-06-25
6384267 Process for producing hydroxyalkyl (METH) acrylates Yasuhiro Shingai, Masatoshi Ueoka, Junya Watanabe 2002-05-07
5954965 Process for producing pure water Katsuhiko Yano, Junya Watanabe, Keiko Kudo 1999-09-21
5518627 Method for treating water or an aqueous solution Masao Tomoi, Teruo Onozuka, Manabu Shindo, Hideaki Kiniwa, Shintaro Sawada 1996-05-21
5173421 Cell culture carriers Hideaki Kiniwa 1992-12-22
5006467 Cell culture microcarriers Hiroshi Kusano, Tsuyoshi Ito 1991-04-09
4696745 Separating agent with fluoroalkyl group Takaharu Itagaki, Hiroshi Kusano, Eiji Miyata 1987-09-29