Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864326 | Dual beam recorder | Naoto Kawamura, Shinichi Ohta, Yuji Nishigaki | 1989-09-05 |
| 4798654 | Process for preparing bisphenol A | Shigeru Iimuro, Yoshio Morimoto | 1989-01-17 |
TK
Takashi Kitamura
Mitsui Toatsu Chemicals, Incorporated: 1 patents #60 of 264Top 25%
Overall (1989): #15,023 of 140,708Top 15%
2
Patents 1989