- I4
I4, I 4 or I-4 may be:
*I4 (company) , a Japanese video game developer and publisher. Mostly produced games solely for Japan, includingAI Shogi 3
*I4 engine , a designation for a inline-4 piston engine
*I-4 satellite
*HIJMS I-4 , a WWII Imperial Japanese NavyJ1 type submarine
*LB&SCR I4 class , a British
*Tupolev I-4 , a 1927 Soviet aircraftand also :
*Interstate 4 , a Florida highway
*Interstate Airlines IATA airline designator
*International Information Integrity Institute (I-4), a membership-driven program established in 1986 by theStanford Research Institute (SRI), focused on security-related issues and solutions
* i4, aninteger inXML-RPC
*, I 4, a Swedish regimental designation (4th Infantry Regiment) that has been used by the following units:
**Första livgrenadjärregementet (1816–1927)
**Livgrenadjärregementet (1928–1997)
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