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CSULB NAI Chapter group shot

As innovators in their fields, CSULB's engineering faculty together hold dozens of patents. Recently, nearly two dozen CSULB faculty were inducted into the university chapter of the National Academy of Inventors. In addition, College of Engineering Dean Forouzan Golshani was named an NAI Fellow. Below are CSULB College of Engineering faculty who hold patents on their research.


Shadnaz Asgari (Computer Science)

S. Asgari, R. Hamilton, and X. Hu; “Cerebral Vaso-Reactivity Assessment using Pulse Morphological Template Matching,” U.S. Application No. 61709256, awarded April 10, 2014. 

Perla Ayala (Biomedical Engineering)

E. L. Chaikof, P. Ayala, and J. Caves; “Collagen-alginate Constructs,” filed Oct. 16, 2015.

Vahid Balali (Civil Engineering)    

Balali, V., Sadeghi, M.A., and Golparvar-Fard, M., “Image-based Retro-Reflectivity Measurement of Traffic Signs in Day Time,” Provisional U.S. Patent, filed Oct. 7, 2015.

Juan Cepeda-Rizo (Mechanical Engineering) 

J. Cepeda-Rizo, “Micro Heat Pipe with Wedge Capillaries,” U.S. Patent No. 20060113662, June 1, 2006.

J. Cepeda-Rizo, M. Esmailpour, N.J. Teneketges, “Liquid Immersion Cooled Multichip Module,” U.S. Patent No. 7285851, Oct. 23, 2007.

J. Cepeda-Rizo, G.B. Ganapathi, "Energy Harvesting Systems and Methods of Assembling Same," U.S. Patent No. 549856 B1, Oct. 8, 2013.

J. Cepeda-Rizo, G.B. Ganapathi, “Reverse Brayton Cycle with Bladeless Turbo Compressor for Automotive Environmental Cooling,” U.S. Patent No. 9464638 B2, Oct. 11, 2016.

Atomic Layer Deposition of Aluminum Oxide to Replace EVA Encapsulation for Photovoltaics (Caltech, patent pending)

Cooling Spoon Utensil (Provisional patent on file and licensed)

Home Water Heater Recuperator (Caltech provisional patent)

High-performance, Low-cost Flat Micro Heat Pipe with Constrained Vapor Bubble Wick Structure (Patent pending)

IR Sensing Pneumatic Baseball Pitching Machine (Provisional patent on file)

Ninja Chopsticks (Provisional patent on file and licensed)

Unique Thermal Energy Storage System Enabling Full Spectrum Solar Power (Caltech, patent pending)

Forouzan Golshani (Engineering Dean)

F. Golshani & T.H. Howell, “Operating System Translator Incorporating Unix Piping Capability for a Proprietary Operating System,” U.S. Patent No. 5619699, awarded April 8, 1997.

F. Golshani & T.H. Howell, “Operating System Translator Incorporating Unix Aliasing Capability for a Proprietary Operating System,” U.S. Patent No. 5623667, awarded April 22, 1997.

F. Golshani and T.H. Howell, “Operating System Translator Incorporating a Verbose Mode of Operation,” U.S. Patent No. 5671418, awarded Sept. 23, 1997.

F. Golshani and T.H. Howell, “Automatically Invoked Operating System Translator,” U.S. Patent No. 5678047, awarded Oct. 14, 1997.

F. Golshani, Friesen, and T.H. Howell, “Method of Graphically Displaying an Object-oriented Schema,” U.S. Patent No. 5774128, awarded June 30, 1998.

F. Golshani, O.D. Friesen, and T.H. Howell, “Method for Generating SQL Commands to Create an Integrated Global Schema,” U.S. Patent No. 5819277, awarded Oct. 6, 1998.

F. Golshani, O.D. Friesen, and T.H. Howell, “Method for Providing a Graphical Interface for the Specification of Relationships between Two Schemas,” U.S. Patent No. 5850631, awarded Dec. 15, 1998.

F. Golshani, O.D. Friesen, and T.H. Howell, “Method of Integrating Schemas of Distributed Heterogeneous Databases,” U.S. Patent No. 5806066, awarded June 28, 2000.

F. Golshani, O.D. Friesen, and T.H. Howell, “Verfahren Zum Integrieren von Schemas von Verteilten Heterogenen Datenbanken” German Patent No. 5806066, June 28, 2000.

F. Golshani, O.D. Friesen, and T.H. Howell, “Procede pour Integrer des Schemas de Bases de Donnees Reparties Heterogenes,” French Patent No. 5806066, June 28, 2000.

F. Golshani and Y. C. Park, “Method for Computerized Indexing and Retrieval of Digital Images Based on Spatial Color Distribution,” U.S. Patent No. 6594386, awarded July 15, 2003.

I-Hung Khoo (Electrical Engineering) 

C. Loi, K. Nuntha, I. Khoo, K. Liew, and J. Xia, “High Impedance Current Mirror with Feedback”, U.S. Patent No. 7463014, awarded Aug. 30, 2007.

Sean Kwon (Electrical Engineering)

Lim, S.; Hyoung Heo, Y.; Kwon, H.J.; Niu, H.; Jeon, J.; Bhorkar, A.; Ye, Q.; Kwon, S.; Hamidi-Sepehr, F.; "Listen-before-talk (LBT) Failure during a Random Access Procedure;" filed Aug. 10, 2017. 

Hamidi-Sepehr, F.; Jeon, J.; Ye, Q.; Bhorkar, A.; Kwon, H.J.; Niu, H.; Kwon, S. "Cross-Transmission Opportunity (TxOP) Scheduling;" filed Aug. 10, 2017 

Chang-Gang, W.; Xiong, G.; Kwon, S.; Zhang, Y.; Zhu, Y.; Niu, H.; Li, Q.; "System and Method for Enhanced CSI Feedback," filed Feb. 15, 2018. 

Zhang, Y.; Zhu, Y.; Chang, W.; Bendlin, R.; Hab, S.; Kwon, S.; Davydov, A.; Honh, H.;"Reference Signals to Facilitate Communication Systems," filed March 22, 2018. 

Xiong, G.; Cho, J.; Kwon, H.J.; Davydov, A.; He, H.; Bendlin, R.; Han, S.; Zhu, Y.; Kwon, S.; Zhang, Y.; Morozov, G.; Sergeev, V.; "Demodulation Reference Signal Design and Multiplexing using Different Numerologies," filed April 5, 2018. 

Hamid Rahai (Associate Dean of Research)

H.R. Rahai and H. Hefazi, “Vertical Axis Wind Turbine with Optimized Blade Profile,” U.S. Patent No. 7393177 B2, awarded Jul. 1, 2008.

C. Miller, R. Plaskove, H. Hefazi, and H.R. Rahai, “Wind Turbine Apparatus,” U.S. Patent No. 2012125684, Sept. 20, 2012.

Chit-Sang Tsang (Electrical Engineering) 

J. K. Holmes, G. L. Lui, C.-S. Tsang, “Method of Determining the Carrier Reference Phase of Coherent Demodulation of Frequency Hopped Continuous Phase Modulated Signals with Synch Words Arbitrarily Located within the Hop,” U.S. Patent No. 6449304, awarded Sept. 10, 2002.

Parviz Yavari (Mechanical Engineering)

P. Yavari, “Superplastic Forming Process,” U.S. Patent No. 4713953, Dec. 22, 1987.

P. Yavari and T. Wang, “Fluid Cell Process Modeling,” U.S. Patent No. 6522979, Feb. 18, 2003.

Hen-Geul Yeh (Electrical Engineering)

J. J. Chang and H.G. Yeh, “Systolic VLSI Array for Implementing the Kalman Filter Algorithm,” U.S. Patent No. 4823299, awarded April 1989.

H. G Yeh and N. Yeh, “Parked Vehicle Location Finder,” U.S. Patent No. 6529142, awarded March 2003.

H. G Yeh, “Parallel Orthogonal Frequency Division Multiplexed Communication System, U.S. Patent No. 7289425, awarded Oct. 30, 2007.

H. G. Yeh and H. Babak, “Method and Apparatus for Canceling Intercarrier Interference through Conjugate Transmission for Multicarrier Communication Systems,” U.S. Patent No 7616557, awarded Nov. 10, 2009.

H.G. Yeh, D. F. Gayme, and S. H. Low, “Adaptive VAR Control for Distribution and Transmission Circuits with Renewable Energy Productions,” submitted Aug. 23, 2011.