YO

Yasuki Ohtawa

KA Kao: 16 patents #83 of 3,221Top 3%
Overall (All Time): #300,206 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
8227160 Toner for electrophotography Yasuhiro Hidaka, Kouhei Katayama 2012-07-24
8138136 Process for production of alkylene oxide adducts Toshihiro Tanaka, Kaoru Ohmae 2012-03-20
7351685 Softener composition Tohru Katoh, Uichiro Nishimoto, Yoshio Hatayama, Yohei Kaneko 2008-04-01
7214718 Quaternary ammonium salt composition Tohru Katoh, Takeshi Tomifuji 2007-05-08
7179783 Sulfuric acid amine salt, sulfonic acid amine salt, production thereof and softener composition Jun Kono, Tomokatsu Kusumi, Akira Sakaguchi, Ikuo Sugano, Kazutaka Shiratsuchi +1 more 2007-02-20
7115779 Softener composition Takeshi Tomifuji, Akira Sakaguchi, Tohru Katoh 2006-10-03
6855682 Softener composition Takeshi Tomifuji, Akira Sakaguchi, Tohru Katoh 2005-02-15
6624137 Softening finish composition Tohru Katoh, Yohei Kaneko 2003-09-23
6541444 Softener composition Tohru Katoh, Uichiro Nishimoto, Yoshio Hatayama, Yohei Kaneko 2003-04-01
6521588 Softener composition Tohru Katoh, Yohei Kaneko 2003-02-18
6410502 Softener compositions Tohru Katoh, Yohei Kaneko 2002-06-25
5851982 Liquid softener compositions and quaternary ammonium salt Yuushi Sakata, Junichi Inokoshi, Osamu Tachizawa, Tohru Katoh, Uichiro Nishimoto +3 more 1998-12-22
5580481 Aqueous fabric softener composition, novel quaternary ammonium salt, and process for the preparation of said salt Yushi Sakata, Junichi Inokoshi, Tohru Katoh, Osamu Tachizawa, Uichiro Nishimoto +1 more 1996-12-03
5563111 Agricultural chemical composition comprising amine surfactants with at least one ester or amide linkage Yuichi Hioki, Keiko Hasebe, Tadayuki Suzuki, Osamu Tachizawa, Takeshi Tomifuji +5 more 1996-10-08
5476597 Liquid softener composition, novel quaternary ammonium salt, and process for the preparation of said salt Yushi Sakata, Junichi Inokoshi, Tohru Katoh, Osamu Tachizawa, Uichiro Nishimoto +1 more 1995-12-19
5318727 Mild cationic surfactants having good foaming conditioning properties and cleaning compositions Makoto Kubo, Hiroyuki Imoto, Takashi Matsuo, Kazuyuki Yahagi, Koshiro Sotoya 1994-06-07