Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert Keith Montgomery — 41 Patents

SISioptical: 23 patents #1 of 15Top 7%
Apple: 7 patents #4,315 of 18,612Top 25%
LILightwire: 5 patents #5 of 19Top 30%
ATAT&T: 4 patents #4,409 of 18,772Top 25%
San Jose, CA: #1,357 of 32,062 inventorsTop 5%
California: #11,075 of 386,348 inventorsTop 3%
Overall (All Time): #75,001 of 4,157,543Top 2%
41 Patents All Time
Robert Keith Montgomery has been granted 41 US patents while listed as an inventor at Sioptical. The first was granted in 1995 and the most recent in January 2025. Robert Keith Montgomery ranks #75,001 of 4,157,543 US inventors in our database (top 1.8%). Patent records list Robert Keith Montgomery in San Jose, CA, US.

Issued Patents All Time

Showing 1–25 of 41 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12207905 Pressure sensing in portable electronic devices Chin San Han 2025-01-28
11839450 Pressure sensor module for wearable applanation tonometer Chin San Han, Pablo A. Escobar, Zijing Zeng 2023-12-12 $221,665,000
11839451 Sensing structure for pulse-wave velocity measurement Chin San Han, Pablo A. Escobar, Zijing Zeng 2023-12-12 $221,665,000
11624667 Interface pressure sensor system for electronic device Chin San Han 2023-04-11 $369,350,000
11397120 Interface pressure sensor system for electronic device Chin San Han 2022-07-26 $351,586,000
10881307 Devices and systems for correcting errors in blood pressure measurements Thomas J. Sullivan, Ravi Narasimhan, Rui Qiao, Derek Park-Shing Young, Mohsen MOLLAZADEH +3 more 2021-01-05 $299,526,000
10849555 Devices and systems for correcting errors in blood pressure measurements Thomas J. Sullivan, Ravi Narasimhan, Rui Qiao, Derek Park-Shing Young, Mohsen MOLLAZADEH +3 more 2020-12-01 $185,955,000
8363995 Sub-micron planar lightwave devices formed on an SOI optical platform Prakash Gothoskar, Margaret Ghiron, Vipulkumar Patel, Kalpendu Shastri, Soham Pathak +1 more 2013-01-29
7929814 Sub-micron planar lightwave devices formed on an SOI optical platform Prakash Gothoskar, Margaret Ghiron, Vipulkumar Patel, Kalpendu Shastri, Soham Pathak +1 more 2011-04-19
7587106 Optical crossover in thin silicon David Piede, Prakash Gothoskar, Margaret Ghiron, Vipulkumar Patel, Soham Pathak +2 more 2009-09-08
7539358 SOI-based opto-electronic device including corrugated active region Vipulkumar Patel 2009-05-26
7515778 Segmented optical modulator Paulius Mosinskis, Prakash Gothoskar 2009-04-07
7499620 Low loss SOI/CMOS compatible silicon waveguide Vipulkumar Patel, Prakash Gothoskar, Margaret Ghiron 2009-03-03
7447395 Silicon modulator offset tuning arrangement Margaret Ghiron, Prakash Gothoskar, Paulius Mosinskis, Vipulkumar Patel, Kalpendu Shastri +1 more 2008-11-04
7440703 High-speed, silicon-based electro-optic modulator with feedback control Kalpendu Shastri, Prakash Gothoskar, Margaret Ghiron, Vipulkumar Patel, Soham Pathak +1 more 2008-10-21
7415184 Wideband optical coupling into thin SOI CMOS photonic integrated circuit Margaret Ghiron, Prakash Gothoskar, John Fangman, Mary Nadeau 2008-08-19
7358585 Silicon-based Schottky barrier infrared optical detector Vipulkumar Patel, Margaret Ghiron, Prakash Gothoskar, Soham Pathak, David Piede +2 more 2008-04-15
7327911 Optical detector configuration and utilization as feedback control in monolithic integrated optic and electronic arrangements David Piede, Kalpendu Shastri, Prakash Gothoskar, Vipulkumar Patel, Mary Nadeau 2008-02-05
7298949 SOI-based photonic bandgap devices Prakash Gothoskar, Margaret Ghiron, Vipulkumar Patel, Soham Pathak, David Piede +2 more 2007-11-20
7187837 Active manipulation of light in a silicon-on-insulator (SOI) structure Prakash Gothoskar, Margaret Ghiron, Vipulkumar Patel, Kalpendu Shastri, Soham Pathak +1 more 2007-03-06
7118682 Low loss SOI/CMOS compatible silicon waveguide and method of making the same Vipulkumar Patel, Prakash Gothoskar, Margaret Ghiron 2006-10-10
7113676 Planar waveguide optical isolator in thin silicon-on-isolator (SOI) structure David Piede, Margaret Ghiron, Prakash Gothoskar, Vipulkumar Patel, Kalpendu Shastri +3 more 2006-09-26
7109739 Wafer-level opto-electronic testing apparatus and method Prakash Gothoskar, Margaret Ghiron, Vipulkumar Patel, Kalpendu Shastri, Soham Pathak +2 more 2006-09-19
7065301 High speed, silicon-based electro-optic modulator Kalpendu Shastri, Prakash Gothoskar, Margaret Ghiron, Vipulkumar Patel, Soham Pathak +1 more 2006-06-20
7058261 Interfacing multiple wavelength sources to thin optical waveguides utilizing evanescent coupling Margaret Ghiron, Prakash Gothoskar, Vipulkumar Patel, Soham Pathak, Kalpendu Shastri +1 more 2006-06-06