TS

Takashi Sumiyoshi

HI Hitachi: 3 patents #145 of 3,149Top 5%
Overall (1994): #8,276 of 165,921Top 5%
3
Patents 1994

Issued Patents 1994

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5377352 Method of scheduling tasks with priority to interrupted task locking shared resource Kazuaki Tanaka, Sadasaburo Kanai, Shoji Yamamoto, Tetsuhiko Fujii 1994-12-27
5333314 Distributed data base system of composite subsystem type, and method of fault recovery for the system Kazuo Masai, Satoshi Wakayama, Shoji Yamamoto, Masao Makino 1994-07-26
5329628 Database system providing direct access for reads and indirect locked access for writes and reads in which an error was detected in previous attempt Shoji Yamamoto 1994-07-12