Di Zhang

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Seattle, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Methods of solid freeform fabrication
- Patent number 10,683,393
- Issue date Jun 16, 2020
- Ricoh Co., Ltd.
- Andrew J. Boydston
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for solid freeform fabrication
- Patent number 10,066,119
- Issue date Sep 4, 2018
- Ricoh Co., Ltd.
- Andrew J. Boydston
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Methods for solid freeform fabrication
- Patent number 9,695,280
- Issue date Jul 4, 2017
- Ricoh Co., Ltd.
- Andrew J. Boydston
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Method for Solid Freeform Fabrication
- Publication number 20190071583
- Publication date Mar 7, 2019
- RICOH COMPANY, LTD.
- Andrew J. Boydston
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Methods for Solid Freeform Fabrication
- Publication number 20170260328
- Publication date Sep 14, 2017
- RICOH CO., LTD.
- Andrew J. Boydston
- B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information Patent Application
Methods for Solid Freeform Fabrication
- Publication number 20160257783
- Publication date Sep 8, 2016
- RICOH CO., LTD.
- Andrew J. Boydston
- B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information Patent Application
Method for Solid Freeform Fabrication
- Publication number 20160257843
- Publication date Sep 8, 2016
- RICOH CO., LTD.
- Andrew J. Boydston
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...