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Mr. RANDHIR BHATNAGAR
Chief Scientist
Advanced Material and Sensors
Expertise:
R&D IN OPTO-ELECTRONIC INSTN.





Patent(s) Filed
1. IMPROVED VERSION OF SEMIAUTOMATIC PICK AND PLACE MACHINE FOR SURFACE MOUNT DEVICESS (SMD) AND FINE PITCH COMPONENTS
Country Filed: US
Application Number: 11/174545    Date of Filing: 06/07/2005
Inventor(s):  NARASIMHAM V M, BHATNAGAR RANDHIR, SHARMA B D, R.R. SHRAVANA KUMAR, Ramarao Rayagond, MEDIRATTA ANMOL KUMAR
2. IMPROVED SEMIAUTOMATIC PICK AND PLACE MACHINE FOR ASSEMBLY OF COMPONENTS
Country Filed: India
Application Number: 01690DELNP2003    Date of Filing: 16/10/2003
Inventor(s):  NARASIMHAM V M, BHATNAGAR RANDHIR, SHARMA B D, R.R. SHRAVANA KUMAR, Ramarao Rayagond, MEDIRATTA ANMOL KUMAR
3. IMPROVED SEMI-AUTOMATIC PICK & PLACE MACHINE FOR ASSEMBLY COMPONENTS
Country Filed: CN
Application Number: 1816246    Date of Filing: 25/03/2003
Inventor(s):  NARASIMHAM V M, BHATNAGAR RANDHIR, SHARMA B D, R.R. SHRAVANA KUMAR, MEDIRATTA ANMOL KUMAR
4. IMPROVED SEMI-AUTOMATIC PICK & PLACE MACHINE FOR ASSEMBLY COMPONENTS
Country Filed: MY
Application Number: PI 2003 1008    Date of Filing: 22/03/2003
Inventor(s):  NARASIMHAM V M, BHATNAGAR RANDHIR, SHARMA B D, R.R. SHRAVANA KUMAR, MEDIRATTA ANMOL KUMAR
5. IMPROVED SEMI-AUTOMATIC PICK & PLACE MACHINE FOR ASSEMBLY COMPONENTS
Country Filed: AU
Application Number: 2002212673    Date of Filing: 21/03/2003
Inventor(s):  NARASIMHAM V M, BHATNAGAR RANDHIR, SHARMA B D, R.R. SHRAVANA KUMAR, MEDIRATTA ANMOL KUMAR
6. IMPROVED SEMIAUTOMATIC PICK & PLACE MACHINE FOR ASSEMBLY COMPONENTS
Country Filed: ZA
Application Number: 2003/2234    Date of Filing: 20/03/2003
Inventor(s):  NARASIMHAM V M, BHATNAGAR RANDHIR, SHARMA B D, R.R. SHRAVANA KUMAR, MEDIRATTA ANMOL KUMAR
7. IMPROVED VERSION OF SEMIAUTOMATIC PICK AND PLACE MACHINE FOR SURFACE MOUNT DEVICESS (SMD) AND FINE PITCH COMPONENTS
Country Filed: WO
Application Number: PCT/IN01/00180    Date of Filing: 17/10/2001
Inventor(s):  NARASIMHAM V M, BHATNAGAR RANDHIR, SHARMA B D, R.R. SHRAVANA KUMAR, MEDIRATTA ANMOL KUMAR

Patent(s) Granted
1. IMPROVED SEMI-AUTOMATIC PICK & PLACE MACHINE FOR ASSEMBLY COMPONENTS
Country Granted: MY
Patent Number: MY-138858-A    Date of Grant: 28/08/2009
Inventor(s):  NARASIMHAM V M, BHATNAGAR RANDHIR, SHARMA B D, R.R. SHRAVANA KUMAR, MEDIRATTA ANMOL KUMAR
2. IMPROVED SEMIAUTOMATIC PICK AND PLACE MACHINE FOR ASSEMBLY OF COMPONENTS
Country Granted: India
Patent Number: 221759    Date of Grant: 03/07/2008
Inventor(s):  NARASIMHAM V M, BHATNAGAR RANDHIR, SHARMA B D, R.R. SHRAVANA KUMAR, Ramarao Rayagond, MEDIRATTA ANMOL KUMAR
3. IMPROVED SEMI-AUTOMATIC PICK & PLACE MACHINE FOR ASSEMBLY COMPONENTS
Country Granted: AU
Patent Number: 2002212673    Date of Grant: 07/02/2008
Inventor(s):  NARASIMHAM V M, BHATNAGAR RANDHIR, SHARMA B D, R.R. SHRAVANA KUMAR, MEDIRATTA ANMOL KUMAR
4. IMPROVED SEMI-AUTOMATIC PICK & PLACE MACHINE FOR ASSEMBLY COMPONENTS
Country Granted: CN
Patent Number: ZL01816246.0    Date of Grant: 21/03/2007
Inventor(s):  NARASIMHAM V M, BHATNAGAR RANDHIR, SHARMA B D, R.R. SHRAVANA KUMAR, MEDIRATTA ANMOL KUMAR
5. IMPROVED SEMIAUTOMATIC PICK & PLACE MACHINE FOR ASSEMBLY COMPONENTS
Country Granted: ZA
Patent Number: 2003/2234    Date of Grant: 30/06/2006
Inventor(s):  NARASIMHAM V M, BHATNAGAR RANDHIR, SHARMA B D, R.R. SHRAVANA KUMAR, MEDIRATTA ANMOL KUMAR

Publication(s)
1. SRIVASTAVA DEEPA, BHATNAGAR RANDHIR, KUMAR ASHA, PARMAR VINOD. Intensity modulation using chirped fiber bragg grating as an edge filter for temperature sensing. Microwave and Optical Technology Letters. 01-DEC-14, 56(12), 2913–2915
2. PARMAR VINOD, BHATNAGAR RANDHIR. Analysis of gas flow dynamics in hollow core photonic crystal fibre based gas cell. Optik - International Journal for Light and Electron Optic. 01-JUL-14, 125(13), 3204–3208
3. PAL SUDIPTA SARKAR, MONDAL SAMIR K, KUMAR RAJ, AKULA APARNA, GHOSH RIPUL, BHATNAGAR RANDHIR. Optical fiber antenna generating spiral beam shapes. Applied Physics Letters. 23-JAN-14, 104, 031105
4. NIDHI, TIWARI UMESH KUMAR, PANWAR NISHTHA, KALER R S, BHATNAGAR RANDHIR, KAPUR PAWAN. Long Period Fiber Grating Humidity Sensor With Gelatin/Cobalt Chloride Coating. IEEE Sensors Journal. 01-NOV-13, 13(11),
5. PARMAR VINOD, BHATNAGAR RANDHIR, KAPUR PAWAN. Optimized butt coupling between single mode fiber and hollow-core photonic crystal fiber. Optical Fiber Technology. 01-OCT-13, 19(5), 490–494
6. PANWAR NISHTHA, TIWARI UMESH KUMAR, BHATNAGAR RANDHIR, JAIN SUBHASH C. A low loss mechanical splice for gas sensing using Hollow-Core Photonic Crystal Fibre. Optik - International Journal for Light and Electron Optic. 02-SEP-13, 124(18), 3671–3673
7. SRIVASTAVA DEEPA, BHATNAGAR RANDHIR, KUMAR ASHA, TIWARI UMESH KUMAR, JAIN SUBHASH C, KAPUR PAWAN. Edge Based Fiber Bragg Grating Interrogator. Journal of Instrument Society of India. 01-DEC-12, 42(4), 217-219
8. PARMAR VINOD, BHATNAGAR RANDHIR, SRIVASTAVA DEEPA, KUMAR ASHA, KAPUR PAWAN. Mechanical Splicing of Hollow Core Photonic Crystal Fiber with Single Mode Fiber for Gas Sensing. Journal of Instrument Society of India. 01-DEC-12, 42(4), 251-254


Project(s) - Completed
1. Feasibility Study on Development of Optical Sensor based Techniques for Dynamic Linear Displacement Measurement of Structures
Project Number: GAP0278   Project Investigator: RANDHIR BHATNAGAR
2. Investigations of Optical Fiber Sensor Techniques for Detection of Pesticides & Pathogens in Water and Trace Gas Sensor
Project Number: OLP0192   Project Investigator: RANDHIR BHATNAGAR