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USPTO Patent Rankings Data through Dec 31, 2025
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Murray C. Baker — 8 Patents

IBM: 6 patents #16,491 of 70,183Top 25%
IGIxys Ch Gmbh: 1 patents #18 of 32Top 60%
ILIxys Intl Limited: 1 patents #4 of 14Top 30%
Toronto, CA: #984 of 9,482 inventorsTop 15%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Murray C. Baker has been granted 8 US patents while listed as an inventor at IBM. The first was granted in 1996 and the most recent in October 2015. Murray C. Baker ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Murray C. Baker in Toronto, ON, CA.

Patents per Year

Patents granted per year, 1996 to 2015Bar chart with a peak of 2 patents in 1996.peak 21996: 2 patents19961997: 1 patents19971999: 1 patents19992001: 1 patents20012003: 1 patents20032014: 1 patents20142015: 1 patents2015

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9155167 Registering a replaceable RF-enabled fluorescent lamp starter unit to a master unit David R. Staab 2015-10-06
8653935 Low-power wireless network beacon for turning off and on fluorescent lamps 2014-02-18
6611521 Data link layer extensions to a high latency wireless MAC protocol Danny N. McKay, Rupam Sinha, Nelson Jean, Daniel Wong 2003-08-26 $17,117,000
6292494 Channel hopping protocol Alan C. Chau, John V. Taglione, Aron D. Wallaker 2001-09-18 $29,045,000
5953507 Method and apparatus for providing a 3-way connection between a mobile computing device, a stationary computing device and a computer network Roger Y. M. Cheung, David Newton 1999-09-14 $25,256,000
5654959 Access point for mobile wireless network node Roger Y. M. Cheung, Charles E. Perkins, Peter E. Reissner 1997-08-05 $24,205,000
5570366 Broadcast/multicast filtering by the bridge-based access point Roger Y. M. Cheung, Partha Bhattacharya, Roberto Mitsuo Kobo, Eduardo M. Kolbe, Mahmoud Naghshineh 1996-10-29 $23,405,000
5490139 Mobility enabling access point architecture for wireless attachment to source routing networks Partha Bhattacharya, Jeane Chen, Roger Y. M. Cheung, Arvind Krishna, Peter E. Reissner +1 more 1996-02-06 $12,342,000