Patents per Year
Top Inventors at Any Co. All Time
Showing 1–3 of 3 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Yasurou Fukawa | 8 |
| 2 | Masato Arizumi | 1 |
| 2 | Norio Ozawa | 1 |
Most Valuable Patents
| Patent | Est. Value | Year |
|---|---|---|
| Communication with a non-telephone terminal via a telephone switching network using two consecutive calls | $3K | 1991 |