TM

Takekazu Maruyama

HI Hitachi: 4 patents #8,942 of 28,497Top 35%
Overall (All Time): #1,283,931 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5959859 Plant monitoring/controlling apparatus 1999-09-28
5790424 Plant monitoring apparatus and monitoring method Masashi Sugihara, Masayuki Fukai 1998-08-04
5598572 Information terminal system getting information based on a location and a direction of a portable terminal device Koichiro Tanikoshi, Masayuki Tani, Kimiya Yamaashi, Harumi Uchigasaki, Masayasu Futakawa +3 more 1997-01-28
5369756 Fault tree displaying method and process diagnosis support system Yoshihiko Imura, Akira Kaji 1994-11-29