Assignee
OHISHI KATSUHIKO
JP·4 granted patents·2 pending applications·4 citations·filing 2009–2012
Top patents by PatentIndex Score
6 records- 0177US8747574B2Maraging steel stripOHISHI KATSUHIKO·Filed 2010·Granted Jun 10, 2014·2 cites·3 claims
- 0274US8663549B2Heat-resisting steel for engine valves excellent in high-temperature strengthOHISHI KATSUHIKO·Filed 2010·Granted Mar 4, 2014·2 cites·16 claims
- 0353US8480821B2Piston ring material for internal combustion engineOHISHI KATSUHIKO·Filed 2009·Granted Jul 9, 2013·0 cites·9 claims
- 0449US2012145289A1Piston Ring Material For Internal Combustion EngineOHISHI KATSUHIKO·Filed 2012·Application pending·0 cites
- 0546US8741215B2Heat-resisting steel for engine valves excellent in high temperature strengthOHISHI KATSUHIKO·Filed 2010·Granted Jun 3, 2014·0 cites·2 claims
- 0642US2014230968A1Maraging steelOHISHI KATSUHIKO·Filed 2012·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when OHISHI KATSUHIKO files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →