KT

Keiji Tabata

AC Adeka Argus Chemical Co.: 4 patents #16 of 63Top 30%
AK Asahi Denka Kogyo: 1 patents #75 of 196Top 40%
Overall (All Time): #1,060,603 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5175138 Heat-sensitive recording material Mitsuo Akutsu 1992-12-29
4980336 Heat-sensitive recording material Mitsuo Akutsu, Syuji Iwakura, Keiji Oya 1990-12-25
4918046 Heat-sensitive recording material Mitsuo Akutsu, Syuji Iwakura, Keiji Oya 1990-04-17
4889672 Process for producing ceramic molding Mitsuo Akutsu 1989-12-26
4774367 Phenol compound and heat-sensitive recording material Mitsuo Akutsu, Kazuhito Iuchi 1988-09-27