Akio Kawaguchi

TO Toyota: 3 patents #27 of 540Top 5%

📍 Nanbu, JP: #4 of 81 inventorsTop 5%

Overall (1997): #18,369 of 185,788Top 10%

Patents 1997

Issued Patents 1997

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
5701735	Method for regenerating a particulate collection filter and an exhaust emission control system with a particulate collection filter	—	1997-12-30
5697211	Exhaust gas purification device	—	1997-12-16
5626115	Compression-ignition type engine	—	1997-05-06