TH

Tohru Haruna

AC Adeka Argus Chemical Co.: 14 patents #5 of 63Top 8%
AC Argus Chemical: 6 patents #9 of 56Top 20%
AK Asahi Denka Kogyo K.K.: 5 patents #16 of 162Top 10%
AK Asahi Denka Kogyo: 1 patents #75 of 196Top 40%
HC Hitachi Chemical Company: 1 patents #1,071 of 1,946Top 60%
📍 Okegawa, JP: #1 of 69 inventorsTop 2%
Overall (All Time): #140,055 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
4233414 Polyhydric phenol coester stabilizers William E. Leistner, Motonobu Minagawa, Yutaka Nakahara 1980-11-11
4226991 Process for preparing 3-alkylthiopropionic acid esters Yutaka Nakahara, Kenji Tazima 1980-10-07
4219463 Stabilizers for synthetic polymers comprising 2,2,6,6-tetramethyl-4-piperidyl carboxylic acid ester, .beta.-thioalkyl propionic acid ester and phenol Motonobu Minagawa, Naohiro Kubota, Toshihiro Shibata 1980-08-26