YM

Yoshihide Mitsuya

KC Kotobuki & Co.: 4 patents #1 of 9Top 15%
Overall (1997): #5,105 of 185,788Top 3%
4
Patents 1997

Issued Patents 1997

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5702193 Side knock type mechanical pencil Hidehei Kageyama, Tomiji Ueki 1997-12-30
5700101 Writing tool Shuhei Kageyama, Toshihiko Kageyama, Youichi Nakazato 1997-12-23
5683191 Writing tool Shuhei Kageyama, Toshihiko Kageyama, Youichi Nakazato 1997-11-04
5662425 Stick-shaped material propelling container 1997-09-02