KO

Kisaburo Otabe

Caterpillar: 2 patents #2,982 of 8,398Top 40%
SM Shin Caterpillar Mitsubishi: 1 patents #64 of 184Top 35%
Overall (All Time): #1,672,127 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4884398 Method of and apparatus for reducing engine smoke emissions Izuru Morita, Keisuke Kishitani, Masayoshi Kajitani, Shoji Tozawa, Masanori Satoh +1 more 1989-12-05
4384620 Multipurpose-type blade device for earth moving machine Tomio Uchida 1983-05-24
4341026 Bucket assembly for earthmoving machines capable of side dumping as well Tomio Uchida 1982-07-27