YK

Yasuo Kotani

NK Nippon Gohsei Kagaku Kogyo: 4 patents #15 of 142Top 15%
Canon: 2 patents #12,681 of 19,416Top 70%
SI Sanyo Chemical Industries: 1 patents #242 of 607Top 40%
SC Sanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
Overall (All Time): #582,149 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
7762654 Liquid container Shogo Kawamura, Hideki Ogura, Ryoji Inoue, Tetsuya Ohashi 2010-07-27
7588328 Ink jet recording cartridge having commonly useable components Hiromasa Amma, Wataru Takahashi, Masashi Ogawa 2009-09-15
7189942 Car power source apparatus Yoshihiko Ninomiya, Masaki Yugo 2007-03-13
5382560 Color developers and sheets thereof Nobuo Hisada, Yasushi Nishigakiuchi, Yoshiyuki Ueno, Tadao Yagyu 1995-01-17
4863493 High purity acetylene gas Kengi Yamawaki, Minoru Nishida 1989-09-05
4529488 Process for depositing salts Tokio Hashimoto 1985-07-16
4303668 Antibacterial and antifungal composition Masayasu Hasegawa, Hideo Nishikawa 1981-12-01
4302467 Antibacterial and antifungal composition Masayasu Hasegawa, Hideo Nishikawa 1981-11-24
4242356 Antibacterial and antifungal composition Masayasu Hasegawa, Hideo Nishikawa 1980-12-30