Keio University

Industrial property rights

Ikaga, Toshiharu

1-2 items (total 2)

加圧空間に於ける排水・通気設備

Publication date
1874465 1994.09
Application date
昭60-289700 1985.12
Registration date
1874465
Rights type
Patent
Ownership type
Joint
Inventor
Toshiharu IKAGA and Hiroaki TAKAI
Release date
昭62-148779 1987.07

互いに隣接する高圧の内圧系統と低圧の外圧系統の排水槽の構造

Publication date
1912388 1992.06
Application date
昭60-197786 1985.12
Registration date
1912388
Rights type
Utility model
Ownership type
Joint
Inventor
伊香賀俊治、高井啓明
Release date
昭62-103873 1987.07