KH

Kiyoharu Hayakawa

Brother Kogyo: 21 patents #404 of 2,767Top 15%
TL Toyota Central R&D Labs: 6 patents #153 of 1,657Top 10%
TO Toyota: 2 patents #10,861 of 26,838Top 45%
📍 Ebeye: #86 of 4,528 inventorsTop 2%
Overall (All Time): #125,452 of 4,157,543Top 4%
30
Patents All Time

Issued Patents All Time

Showing 26–30 of 30 patents

Patent #TitleCo-InventorsDate
4595485 Limiting electric current type oxygen sensor Hideaki Takahashi, Haruyoshi Kondo, Keiichi Saji, Takashi Takeuchi 1986-06-17
4576705 Apparatus with polarographic sensor to detect concentrations of plurality of gas components Haruyoshi Kondo, Hideaki Takahashi, Keiichi Saji, Takashi Takeuchi 1986-03-18
4574264 Thin film oxygen sensor with microheater Hideaki Takahashi, Haruyoshi Kondo, Takashi Takeuchi, Hideaki Muraki 1986-03-04
4510036 Limiting electric current type oxygen sensor with heater and limiting electric current type oxygen concentration detecting device using the same Takashi Takeuchi, Hideaki Takahashi, Keiichi Saji, Haruyoshi Kondo 1985-04-09
4500412 Oxygen sensor with heater Hideaki Takahashi, Haruyoshi Kondo, Takashi Takeuchi 1985-02-19