EK

Etsuji Kawaguchi

IK Iwatani Sangyo Kabushiki Kaisha: 4 patents #1 of 38Top 3%
II Iwatani International: 2 patents #1 of 26Top 4%
HO Horiba: 1 patents #319 of 604Top 55%
JE Jeol: 1 patents #309 of 669Top 50%
Overall (All Time): #889,468 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5522223 Pulse tube refrigerator Masayoshi Yanai, Tomio Nishitani 1996-06-04
5515685 Pulse tube refrigerator Masayoshi Yanai, Tomio Nishitani 1996-05-14
5327729 Simplified apparatus for producing liquid nitrogen Masayoshi Yanai, Yukiya Sugasaki, Tsuyoshi Kanegae, Bungo Kondo 1994-07-12
5212953 Apparatus for preventing evaporation of liquefied gas in liquefied gas reservoir and its control method Masato Adachi, Masayuki Taira, Eiichi Watanabe 1993-05-25
5207069 Cryostat vacuum chamber Koichiro Matsuda, Toshiya Itoh, Shoichiro Togitani 1993-05-04
5163297 Device for preventing evaporation of liquefied gas in a liquefied gas reservoir Masayoshi Yani, Michio Sugata, Mitsunori Irie 1992-11-17