YK

Yasushi Kitagawa

Fujitsu Limited: 6 patents #5,180 of 24,456Top 25%
AB Asahi Breweries: 1 patents #26 of 116Top 25%
Overall (All Time): #760,227 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
6416994 Methanation activity measuring instrument Akira Uruga, Seiji Imabayashi, Yoshmitsu Harada 2002-07-09
6285362 Communication terminal and its display control system Misao Kikuchi 2001-09-04
6054982 Communication terminal and its display control system Misao Kikuchi 2000-04-25
5984783 Game machine having a communication terminal for playing games over a network service system Misao Kikuchi, Kunimasa Imasono, Kenji Noma, Tadayuki Tahara, Yoshinori Saito +3 more 1999-11-16
5827120 Network game system having communication characters for conversation changing into action characters for action gaming Misao Kikuchi, Shuji Oba, Tadayuki Tahara, Makoto Urano, Masura Watanabe +4 more 1998-10-27
5668950 Network service system and communication unit for game machine and game machine capable of using said network service system Misao Kikuchi, Kunimasa Imasono, Kenji Noma, Tadayuki Tahara, Yoshinori Saito +3 more 1997-09-16
5664778 Network service system and communication unit for game machine and game machine capable of using said network service system Misao Kikuchi, Kunimasa Imasono, Kenji Noma, Tadayuki Tahara, Yoshinori Saito +3 more 1997-09-09