YI

Yukihito Ichikawa

NI Ngk Insulators: 3 patents #22 of 217Top 15%
Overall (2002): #17,920 of 266,432Top 7%
3
Patents 2002

Issued Patents 2002

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6421915 Hexagonal-cell honeycomb structure and method for fixation thereof 2002-07-23
6375695 Method and apparatus for processing exhaust gas Minoru Machida, Toshio Yamada, Takeshi Naito 2002-04-23
6352756 Thin-walled honeycomb structure and method for reinforcing the same Koichi Ikeshima 2002-03-05