SI

Sakuya Iwai

NO Nippon Oil: 3 patents #192 of 773Top 25%
NC Nippon Petrochemicals, Co.: 1 patents #181 of 359Top 55%
Overall (All Time): #1,308,414 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4443575 Composition for backing carpets Teruo Kajikawa 1984-04-17
4437918 Method of making a carpet tile Kazuo Morohashi, Teruo Kajikawa 1984-03-20
4384080 Process for preparing hydrogenated hydrocarbon resin Saburo Matsubara 1983-05-17
4347275 Carpet tile and method of making same Teruo Kajikawa 1982-08-31