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4000 Barranca Parkway, Suite 250 | Irvine, California 92604


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Through our current efforts to innovate and elevate industry quality standards, we look to position ourselves ahead of our competitors and secure competitive advantage for the future. 3H’s solutions for today and tomorrow’s industry needs will contain smaller, lighter, and higher performing technologies than industry competition can provide. We acknowledge that customer’s current and future time-to-market demands help make them successful. 3H is fully capable to meet the dynamic needs of our customers.

Meet Our Team

Dr. Purna C. Subedi

Dr. Purna C. Subedi has over 28 years of leadership experience in the RF and Microwave field with both technical and business expertise. Prior to working as the Chief Technology Officer at Lark Engineering, Dr. Subedi was the chief scientist at Powerwave Technologies where he invented and created numerous award winning and disruptive technologies including the products that won both the 1st and 2nd places in 2011 CTIA Emerging Technology (E-Tech) Award in the Infrastructure field while simultaneously directing groups in multiple countries leading to numerous patent publications (US 08228136, US 20110241801-A1, US 61/531,306, US20130285765, etc) . Previously, he was with Filtronic Comtek where he was instrumental in developing, implementing and launching many products including high power microwave cavity filters, diplexers, multiplexers as well as many integrated products launching and transferring products to overseas high volume manufacturing sites with total revenues reaching in billions over the years. Previous to joining Filtronic, he worked as an R&D engineer at Allen Telecom (Andrew Corporation/CommScope) for five years where he developed many high volume filter products.


Luis Wong has over 28 years experience and expertise in the design and manufacturing of Microwave and RF Filter products for both the commercial and the military markets. He worked as the VP of Engineering and the VP of Manufacturing for Lark Engineering. He holds a Bachelor of Science degree in Electrical Engineering and holds the patent US6215063 B1 Radio frequency components. In addition, Luis is the inventor of the surface mount technology for cavity filters. Luis has hands-on experience and a working knowledge of establishing a manufacturing center in Mexico including obtaining necessary legal permits to operate and Import/Export logistics. Prior to joining Lark Engineering Luis was an Instructor at the University of Iberoamericana for electrical engineering.


Michael Giarratano has over 36 years in the military and commercial Microwave and RF Filter and sub-system markets. He held multiple material and sales positions with AIL, Raytheon, Microphase Corp, Dover Corp and Lark Engineering. Mike has extensive experience with the military and commercial markets. He has in depth knowledge of the current Defense Electronics market with prime and sub-prime contractors. As Director of Asian Sales for K&L Microwave a Dover Corporation, Mike was responsible for commercial base-station products and was team leader for the ‘Dragon Team’ responsible for locating and establishing a manufacturing center for a Dover company in Nanjing China. He holds a Bachelor of Science degree in Aerospace technology and holds a secret security clearance.