Kakizawa; Katsuhiro
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kakizawa; Katsuhiro.The latest application filed is for "communication transfer apparatus".
- Kakizawa; Katsuhiro - Yokohama JP
- Kakizawa; Katsuhiro - Kawasaki JP
| Patent | Date |
|---|---|
| Communication transfer apparatus Grant 6,111,942 - Kakizawa August 29, 2 | 2000-08-29 |
| Telephone exchange system Grant 5,586,172 - Sakurai , et al. December 17, 1 | 1996-12-17 |
| Automatic redial in a key telephone system having different line types Grant 5,153,908 - Kakizawa , et al. October 6, 1 | 1992-10-06 |
| Telephone and telephone system having improved one-touch calling Grant 5,054,058 - Kakizawa October 1, 1 | 1991-10-01 |
| Line switching apparatus and method Grant 4,991,203 - Kakizawa February 5, 1 | 1991-02-05 |
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