HK

Hisashi Kitajima

IS Isekikaihatsukohki: 1 patents #2 of 7Top 30%
TC Toa Grout Kogyo Co.: 1 patents #1 of 2Top 50%
Overall (1994): #125,663 of 165,921Top 80%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5297582 Method for water leakage prevention in pipeline Hidehiro Noda 1994-03-29