KH

Katsuhiko Hagiwara

NA New Tokyo International Airport Authority: 2 patents #4 of 12Top 35%
📍 Narita, JP: #3 of 21 inventorsTop 15%
Overall (2002): #56,668 of 266,432Top 25%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6478339 Displacement absorbing piping joint Yoichi Abe, Shoichi Kameta, Shunji Kawabata, Takafumi Oshima 2002-11-12
6334695 Embedded-type light Yoichi Abe, Shoichi Kameta, Shunji Kawabata, Ryoichi Sato 2002-01-01