IP Library Granted Patent US 4,633,840
Granted Patent Utility
US 4,633,840 · App. 06/690,502

Method for controlling air-fuel ratio in internal combustion engine

Inventors: Tsutomu Saito, Tsuneyuki Egami, Tokio Kohama, Kimitaka Saito, Hiroshi Takahashi, Kunihiko Sato
Patented Case View Patent ↗
Granted: Jan 6, 1987 Filed: Jan 10, 1985
Inventors
Tsutomu Saito
Tsuneyuki Egami
Tokio Kohama
Kimitaka Saito
Hiroshi Takahashi
Kunihiko Sato
Assignees (at issue)
NIPPON SOKEN, INC.
TOYOTA JIDOSHA KABUSHIKI KAISHA

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Quick Facts
Patent No.
US 4,633,840
App. No.
06/690,502
Filed
1985-01-10
Granted
1987-01-06
Kind
A