Timothy A. Grotjohn

Person

Okemos, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Polishing apparatus for smoothing diamonds
- Patent number 11,897,087
- Issue date Feb 13, 2024
- Board of Trustees of Michigan State University
- Aaron Hardy
- B24 - GRINDING POLISHING
Information Patent Grant
Methods and apparatus for microwave plasma assisted chemical vapor...
- Patent number 11,854,775
- Issue date Dec 26, 2023
- Board of Trustees of Michigan State University
- Timothy A. Grotjohn
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Distributed current low-resistance diamond ohmic contacts
- Patent number 11,222,956
- Issue date Jan 11, 2022
- Massachusetts Institute of Technology
- Joseph Varghese
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Methods and apparatus for microwave plasma assisted chemical vapor...
- Patent number 10,541,118
- Issue date Jan 21, 2020
- Board of Trustees of Michigan State University
- Timothy A. Grotjohn
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Microwave plasma reactors
- Patent number 9,890,457
- Issue date Feb 13, 2018
- Board of Trustees of Michigan State University
- Jes Asmussen
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Process and apparatus for diamond synthesis
- Patent number 9,732,440
- Issue date Aug 15, 2017
- Board of Trustees of Michigan State University
- Jes Asmussen
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Process and apparatus for diamond synthesis
- Patent number 9,487,858
- Issue date Nov 8, 2016
- Board of Trustees of Michigan State University
- Jes Asmussen
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Multicolored single crystal diamond gemstones and methods for formi...
- Patent number 9,277,792
- Issue date Mar 8, 2016
- Board of Trustees of Michigan State University
- Timothy A. Grotjohn
- A44 - HABERDASHERY JEWELLERY
Information Patent Grant
N-doped single crystal diamond substrates and methods therefor
- Patent number 9,166,002
- Issue date Oct 20, 2015
- Board of Trustees of Michigan State University
- Timothy A. Grotjohn
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Microwave plasma reactors
- Patent number 9,139,909
- Issue date Sep 22, 2015
- Board of Trustees of Michigan State University
- Jes Asmussen
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Microwave plasma reactors
- Patent number 8,668,962
- Issue date Mar 11, 2014
- Board of Trustees of Michigan State University
- Jes Asmussen
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Microwave plasma reactors
- Patent number 8,316,797
- Issue date Nov 27, 2012
- Board of Trustees of Michigan State University Fraunhofer USA
- Jes Asmussen
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Miniature microwave plasma torch application and method of use thereof
- Patent number 7,442,271
- Issue date Oct 28, 2008
- Board of Trustees of Michigan State University
- Jes Asmussen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Process and apparatus for modifying a surface in a work region
- Patent number 7,262,408
- Issue date Aug 28, 2007
- Board of Trustees of Michigan State University
- Jes Asmussen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Drapable diamond thin films and method for the preparation thereof
- Patent number 7,147,810
- Issue date Dec 12, 2006
- Fraunhofer USA, Inc.
- Donnie K. Reinhard
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Implantable microscale pressure sensor system for pressure monitori...
- Patent number 6,890,300
- Issue date May 10, 2005
- Board of Trustees of Michigan State University
- John R. Lloyd
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Microwave stripline applicators
- Patent number 6,759,808
- Issue date Jul 6, 2004
- Board of Trustees of Michigan State University
- Timothy A. Grotjohn
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
POLISHING APPARATUS FOR SMOOTHING DIAMONDS
- Publication number 20230286102
- Publication date Sep 14, 2023
- Board of Trustees of Michigan State University
- Aaron HARDY
- B24 - GRINDING POLISHING
Information Patent Application
Laser Activated Luminescence System
- Publication number 20230062860
- Publication date Mar 2, 2023
- Board of Trustees of Michigan State University
- Marcos DANTUS
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
DISTRIBUTED CURRENT LOW-RESISTANCE DIAMOND OHMIC CONTACTS
- Publication number 20210320183
- Publication date Oct 14, 2021
- Massachusetts Institute of Technology
- Joseph Varghese
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHODS FOR FORMING LARGE AREA DIAMOND SUBSTRATES
- Publication number 20210214856
- Publication date Jul 15, 2021
- Board of Trustees of Michigan State University
- Timothy A. Grotjohn
- C30 - CRYSTAL GROWTH
Information Patent Application
METHODS AND APPARATUS FOR MICROWAVE PLASMA ASSISTED CHEMICAL VAPOR...
- Publication number 20200152433
- Publication date May 14, 2020
- Board of Trustees of Michigan State University
- Timothy A. Grotjohn
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
METHODS AND APPARATUS FOR MICROWAVE PLASMA ASSISTED CHEMICAL VAPOR...
- Publication number 20170271132
- Publication date Sep 21, 2017
- Board of Trustees of Michigan State University
- Timothy A. Grotjohn
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Process and Apparatus for Diamond Synthesis
- Publication number 20170114476
- Publication date Apr 27, 2017
- Board of Trustees of Michigan State University
- Jes Asmussen
- C30 - CRYSTAL GROWTH
Information Patent Application
SYSTEMS AND METHOD FOR MICROPLASMA-BASED THREE-DIMENSIONAL PRINTING
- Publication number 20170067154
- Publication date Mar 9, 2017
- Board of Trustees of Michigan State University
- Timothy A. Grotjohn
- B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information Patent Application
MICROWAVE PLASMA REACTORS
- Publication number 20140220261
- Publication date Aug 7, 2014
- Board of Trustees of Michigan State University
- Jes Asmussen
- C30 - CRYSTAL GROWTH
Information Patent Application
N-DOPED SINGLE CRYSTAL DIAMOND SUBSTRATES AND METHODS THEREFOR
- Publication number 20130153931
- Publication date Jun 20, 2013
- Board of Trustees of Michigan State University
- Timothy A. Grotjohn
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MICROWAVE PLASMA REACTORS
- Publication number 20130101730
- Publication date Apr 25, 2013
- Fraunhofer USA
- Jes Asmussen
- C30 - CRYSTAL GROWTH
Information Patent Application
MICROWAVE PLASMA REACTORS
- Publication number 20130069531
- Publication date Mar 21, 2013
- Fraunhofer USA
- Jes Asmussen
- C30 - CRYSTAL GROWTH
Information Patent Application
SINGLE CRYSTAL DIAMOND GEMSTONES AND METHODS THEREFOR
- Publication number 20120047950
- Publication date Mar 1, 2012
- Board of Trustees of Michigan State University
- Timothy A. Grotjohn
- C30 - CRYSTAL GROWTH
Information Patent Application
Microwave plasma reactors
- Publication number 20100034984
- Publication date Feb 11, 2010
- Board of Trustees of Michigan State University
- Jes Asmussen
- C30 - CRYSTAL GROWTH
Information Patent Application
Process and apparatus for diamond synthesis
- Publication number 20090239078
- Publication date Sep 24, 2009
- Board of Trustees of Michigan State University
- Jes Asmussen
- C30 - CRYSTAL GROWTH
Information Patent Application
Process and apparatus for modifying a surface in a work region
- Publication number 20060284118
- Publication date Dec 21, 2006
- Board of Trustees of Michigan State University
- Jes Asmussen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Miniature microwave plasma torch application and method of use thereof
- Publication number 20050223992
- Publication date Oct 13, 2005
- Board of Trustees of Michigan State University
- Jes Asmussen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Drapable diamond thin films and method for the preparation thereof
- Publication number 20050095429
- Publication date May 5, 2005
- Board of Trustees of Michigan State University
- Donnie K. Reinhard
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Implantable microscale pressure sensor system for pressure monitori...
- Publication number 20040073137
- Publication date Apr 15, 2004
- Board of Trustees of Michigan State University
- John R. Lloyd
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Microwave stripline applicators
- Publication number 20030080685
- Publication date May 1, 2003
- Board of Trustees of Michigan State University
- Timothy A. Grotjohn
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Timothy A. Grotjohn

Person

Patents Grantslast 30 patents

Polishing apparatus for smoothing diamonds

Methods and apparatus for microwave plasma assisted chemical vapor...

Distributed current low-resistance diamond ohmic contacts

Methods and apparatus for microwave plasma assisted chemical vapor...

Microwave plasma reactors

Process and apparatus for diamond synthesis

Process and apparatus for diamond synthesis

Multicolored single crystal diamond gemstones and methods for formi...

N-doped single crystal diamond substrates and methods therefor

Microwave plasma reactors

Microwave plasma reactors

Microwave plasma reactors

Miniature microwave plasma torch application and method of use thereof

Process and apparatus for modifying a surface in a work region

Drapable diamond thin films and method for the preparation thereof

Implantable microscale pressure sensor system for pressure monitori...

Microwave stripline applicators

Patents Applicationslast 30 patents

POLISHING APPARATUS FOR SMOOTHING DIAMONDS

Laser Activated Luminescence System

DISTRIBUTED CURRENT LOW-RESISTANCE DIAMOND OHMIC CONTACTS

METHODS FOR FORMING LARGE AREA DIAMOND SUBSTRATES

METHODS AND APPARATUS FOR MICROWAVE PLASMA ASSISTED CHEMICAL VAPOR...

METHODS AND APPARATUS FOR MICROWAVE PLASMA ASSISTED CHEMICAL VAPOR...

Process and Apparatus for Diamond Synthesis

SYSTEMS AND METHOD FOR MICROPLASMA-BASED THREE-DIMENSIONAL PRINTING

MICROWAVE PLASMA REACTORS

N-DOPED SINGLE CRYSTAL DIAMOND SUBSTRATES AND METHODS THEREFOR

MICROWAVE PLASMA REACTORS

MICROWAVE PLASMA REACTORS

SINGLE CRYSTAL DIAMOND GEMSTONES AND METHODS THEREFOR

Microwave plasma reactors

Process and apparatus for diamond synthesis

Process and apparatus for modifying a surface in a work region

Miniature microwave plasma torch application and method of use thereof

Drapable diamond thin films and method for the preparation thereof

Implantable microscale pressure sensor system for pressure monitori...

Microwave stripline applicators