RD

Ryo Den

LC L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude: 1 patents #1,024 of 1,998Top 55%
TK Teisan Kabushiki Kaisha: 1 patents #17 of 27Top 65%
📍 Kasai, JP: #2,743 of 5,842 inventorsTop 50%
Overall (All Time): #2,230,968 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6295837 Apparatus for air separation Shinji Tomita 2001-10-02
5743112 Ultra high purity nitrogen and oxygen generator unit Takao Yamamoto, Shinji Tomita 1998-04-28