Inventor · disambiguated record
Masashi Tsuyama
Also filed as: TSUYAMA MASASHI
4 granted patents·3 pending applications·20 citations·filing 2005–2009
70Inventor score
Files withHITACHI GLOBAL STORAGE TECH4HITACHI GLOBAL STORAGE TECH NL1NISHIUCHI SHIGETO1TAKEDA NUBUO1
Top patents by PatentIndex Score
7 records- 0186US7518858B2Mounting structure and mounting method for rotating disk storage deviceHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Apr 14, 2009·10 cites·18 claims
- 0279US8027801B2Multi drive test system for data storage deviceHITACHI GLOBAL STORAGE TECH NL·Filed 2006·Granted Sep 27, 2011·5 cites·21 claims
- 0367US8456123B2Conveyance system and automated manufacturing systemNISHIUCHI SHIGETO·Filed 2009·Granted Jun 4, 2013·5 cites·10 claims
- 0454US2009118856A1Status indication method and status indication systemHITACHI GLOBAL STORAGE TECH·Filed 2008·Application pending·0 cites
- 0542US7587550B2Functional test method and functional test apparatus for data storage devicesHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Sep 8, 2009·0 cites·17 claims
- 0642US2009150730A1Test apparatus for data storage device and test method for data storage deviceTAKEDA NUBUO·Filed 2008·Application pending·0 cites
- 0731US2008163705A1Test chamber apparatusHITACHI GLOBAL STORAGE TECH·Filed 2008·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Masashi Tsuyama files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →