Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
SP

Song Peng — 28 Patents

AVAvanex: 12 patents #5 of 269Top 2%
SCShenzhen Rock Times Technology Co.: 6 patents #1 of 8Top 15%
BCBeijing Roborock Technology Co.: 4 patents #14 of 81Top 20%
OIOclaro (North America Inc.): 3 patents #12 of 37Top 35%
BCBeijing Roborock Innovation Technology Co.: 2 patents #1 of 17Top 6%
Overall (All Time): #134,628 of 4,157,543Top 4%
28 Patents All Time
Song Peng has been granted 28 US patents while listed as an inventor at Avanex. The first was granted in 2003 and the most recent in August 2025. Song Peng ranks #134,628 of 4,157,543 US inventors in our database (top 3.2%). Patent records list Song Peng in Beijing, CA, CN.

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12390069 Obstacle avoidance method and device for self-walking robot, robot, and storage medium Zhen Wu, Haojian XIE, Yixing WANG, Zhiying Hu 2025-08-19
12251060 Cleaning robot and method for controlling same Qi Wu 2025-03-18
12220095 Method for controlling automatic cleaning device, automatic cleaning device, and non-transitory storage medium Jingying Cao 2025-02-11
12161272 Liquid container, smart cleaning device and smart cleaning system Xing Li, Chuanlin Duan, Youcheng Lu 2024-12-10
12022984 Autonomous cleaning robot Xing Li, Youcheng Lu 2024-07-02
11957285 Automatic cleaning device Xing Li, Pan CHENG, Chuanlin Duan, Zhimin Yang 2024-04-16
11864699 Cleaning device Guang Yu, Xiaoliang Wang 2024-01-09
11653806 Autonomous cleaning robot Xing Li, Youcheng Lu 2023-05-23
11406238 Autonomous cleaning robot Xing Li, Youcheng Lu 2022-08-09
11134819 Liquid container and autonomous cleaning robot Xing Li, Youcheng Lu 2021-10-05
11109730 Autonomous cleaning robot Xing Li, Youcheng Lu 2021-09-07
D919211 Cleaning robot Jing Chang, Ruimin Zhang, Dayong Sun, Guang Yu 2021-05-11
8644705 Method, and system for a re-configurable optical multiplexer, demultiplexer and optical add-drop multiplexer Giovanni Barbarossa, Ming Li 2014-02-04 $4,342,000
8014067 High extinction ratio and low crosstalk compact optical switches Ming Li 2011-09-06 $3,880,000
7693364 Apparatus, system and method for a tunable optical filter Giovanni Barbarossa, Ming Li 2010-04-06 $7,478,000
7486443 High extinction ratio and low crosstalk compact optical switches Ming Li 2009-02-03 $229,000
7333686 System and method for a re-configurable optical channel dropping de-multiplexer Giovanni Barbarossa, Ming Li 2008-02-19 $1,162,000
7298540 Equalizing optical wavelength routers Ming Li 2007-11-20 $887,000
7292786 Method and system for a re-configurable optical multiplexer, de-multiplexer and optical add-drop multiplexer Giovanni Barbarossa, Ming Li 2007-11-06 $4,020,000
7280720 Apparatus, system and method for a tunable optical filter and channel dropping de-multiplexer Giovanni Barbarossa, Ming Li 2007-10-09
7245328 Apparatus and method for controlling extinction ratio in a liquid crystal polarization controller optical switch Haijun Yuan, Ming Li 2007-07-17 $6,118,000
7073952 Stable mechanical devices for precision optical alignment and packaging Frank Wu, Jian Xu, Ming Li 2006-07-11 $7,169,000
6947628 Dynamic wavelength-selective optical add-drop switches Ming Li 2005-09-20 $2,182,000
6882775 Apparatus and method for multiplexing and de-multiplexing optical signals employing a anamorphic beams and diffraction gratings 2005-04-19 $3,134,000
6728488 Optical systems employing anamorphic beams and diffraction gratings Ming Li 2004-04-27 $10,899,000