Sumida; Katsuaki
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sumida; Katsuaki.The latest application filed is for "drum type washing machine".
- Sumida; Katsuaki - Osaka JP
- Sumida, Katsuaki - Kashiba-shi JP
- Sumida; Katsuaki - Kashiba JP
- Sumida; Katsuaki - Kitakatsuragi-gun JP
| Patent | Date |
|---|---|
| Drum type washing machine Grant 7,607,327 - Sumida , et al. October 27, 2 | 2009-10-27 |
| Drum type washing machine App 20060096336 - Sumida; Katsuaki ; et al. | 2006-05-11 |
| Toner for developing electrostatic latent image App 20020081511 - Nagahama, Hitoshi ; et al. | 2002-06-27 |
| Toner for developing electrostatic latent images, method for forming images and apparatus for forming images App 20010051309 - Nagahama, Hitoshi ; et al. | 2001-12-13 |
| Electrophotographic developing unit Grant 6,317,576 - Ishida , et al. November 13, 2 | 2001-11-13 |
| Toner density control for an image forming apparatus Grant 5,839,018 - Asanuma , et al. November 17, 1 | 1998-11-17 |
| Image stabilizer Grant 5,734,948 - Nagayama , et al. March 31, 1 | 1998-03-31 |
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