Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Babu Rajaram — 12 Patents

ZEZenith Electronics: 6 patents #53 of 411Top 15%
ZSZenith Data Systems: 5 patents #7 of 84Top 9%
ZRZenith Radio: 1 patents #81 of 184Top 45%
Three Rivers, MI: #86 of 578 inventorsTop 15%
Michigan: #7,722 of 86,293 inventorsTop 9%
Overall (All Time): #396,045 of 4,157,543Top 10%
12 Patents All Time
Babu Rajaram has been granted 12 US patents while listed as an inventor at Zenith Electronics. The first was granted in 1985 and the most recent in November 1994. Babu Rajaram ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Babu Rajaram in Three Rivers, MI, US.

Patents per Year

Patents granted per year, 1985 to 1994Bar chart with a peak of 3 patents in 1986.peak 31985: 1 patents19851986: 3 patents19861987: 1 patents19871988: 1 patents19881989: 1 patents19891990: 1 patents19901991: 2 patents19911993: 1 patents19931994: 1 patents1994

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5363486 Variable size queue circuit for buffering data transfers from a processor to a memory Anthony M. Olson 1994-11-08 $3,024,000
5253350 Method of combining lower order and translated upper order bits to address ROM within a range reserved for other devices Mark J. Foster, Anthony M. Olson 1993-10-12 $1,513,000
5064378 Mounting of DRAMs of different sizes and pinouts within limited footprint Anthony M. Olson 1991-11-12 $2,502,000
4984209 Burst refresh of dynamic random access memory for personal computers Mark J. Foster 1991-01-08 $2,431,000
4933910 Method for improving the page hit ratio of a page mode main memory system Anthony M. Olson, Thomas N. Robinson 1990-06-12 $2,376,000
4847758 Main memory access in a microprocessor system with a cache memory Anthony M. Olson, Thomas N. Robinson 1989-07-11 $3,877,000
4792929 Data processing system with extended memory access Anthony M. Olson 1988-12-20 $5,379,000
4703419 Switchcover means and method for dual mode microprocessor system Charles A. Krause, Barry Watzman 1987-10-27 $1,869,000
4620186 Multi-bit write feature for video RAM Charles A. Krause 1986-10-28 $1,250,000
4594587 Character oriented RAM mapping system and method therefor Gregg Alan Chandler 1986-06-10 $4,240,000
4574277 Selective page disable for a video display Charles A. Krause 1986-03-04 $1,460,000
4511965 Video ram accessing system 1985-04-16 $3,979,000