KH

Keiji Hamamoto

NC Nihon Tengantaku Kenkyusyo Co.: 1 patents #1 of 3Top 35%
TC Taisei Kako Co.: 1 patents #1 of 6Top 20%
Overall (2004): #55,332 of 270,089Top 25%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6708850 Discharging container with a filter and a bottle stopper for use in the container Yorihisa Uetake, Yasuyuki Shiraishi 2004-03-23
6672479 Closing structure of a dispensing container Yasuyuki Shiraishi, Hirokazu Mihashi 2004-01-06