Dan Ritchie has been granted 5 US patents while listed as an inventor at Hitachi . The first was granted in 2014 and the most recent in March 2019. Dan Ritchie ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Dan Ritchie in Issaquah, WA, US.
Patents per Year Patents granted per year, 2014 to 2019 Bar chart with a peak of 2 patents in 2014. peak 2 2014: 2 patents 2014 2016: 1 patents 2016 2018: 1 patents 2018 2019: 1 patents 2019
Issued Patents All Time
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Showing 1–5 of 5 patents
Patent # Title Co-Inventors Date
10223144 Method and apparatus of redundant path validation before provisioning Yoshiki Kano , Randy Chong , Abid Masood 2019-03-05
10127065 Method and apparatus of redundant path validation before provisioning Yoshiki Kano , Randy Chong , Abid Masood 2018-11-13
9354915 Method and apparatus of redundant path validation before provisioning Yoshiki Kano , Randy Chong , Abid Masood 2016-05-31
8706859 Method and apparatus of data center file system Robert Eugene DOWN, JR. , William ZIETZKE , Yoshiki Kano 2014-04-22
8631111 Method and apparatus of selection interface by queue and workload for storage operation Yoshiki Kano , William ZIETZKE , Yasuto Nishii , Fumimasa NAKANE 2014-01-14
