Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5059504 | Carrier for developer | Masahiro Takagi, Ikutaroh Nagatsuka, Koichi Kumashiro, Takayoshi Aoki, Masayuki Takeda | 1991-10-22 |
| 4973538 | Functionally seprated type toner for fixing with heated rolls | Chiaki Suzuki, Koichi Kumashiro, Sueko Sakai, Emi Takahashi | 1990-11-27 |
| 4929528 | Coated carrier for developer | Masahiro Takagi, Ikutaroh Nagatsuka, Koichi Kumashiro, Takayoshi Aoki, Masayuki Takeda | 1990-05-29 |
| 4902597 | Carrier for electrophotographic developer | Masayuki Takeda, Masao Mochizuki, Koichi Kumashiro, Ikutaroh Nagatsuka, Takayoshi Aoki | 1990-02-20 |