Keizo Aoyama

This inventor holds 29 USPTO granted patents and 1 published patent application, primarily in Semiconductor Memory. Top assignee: Fujitsu Corporation. Active years: 1983-2002.

USPTO Granted Patents = 29 (Patent Applications = 1)

% Patents Active = 100.0

Average Co-Inventor Count = 1.6

ph-index = 12

Forward Citations = 330(Granted Patents)

Location History:

Yamato, JP (1983 - 1989)
Kanagawa, JP (1994)
Kawasaki, JP (1994 - 2002)

Company Filing History:

29 out of 39,367

Fujitsu Corporation

patents

Years Active: 1983-2002

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Areas of Expertise:

Semiconductor Chip

Memory Circuit

Dual-Port Device

Static Memory

Asynchronous Memory

Redundant Cells

Power Supply

Digital Signal Shaping

CMIS Circuit

Feedback Control

Decoder Circuit

Buffer Circuit

29 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6477072 - Layout design method on semiconductor chip for avoiding detour wiring (2002-11-05),

2. 5335199 - Multiport memory (1994-08-02),

3. 5317536 - Dual-port type semiconductor integrated memory circuit (1994-05-31),

4. 4825098 - Bidirectional semiconductor device having only one one-directional device (1989-04-25),

5. 4823321 - Dual port type semiconductor memory device realizing a high speed read (1989-04-18),

6. 4809046 - Semiconductor memory device (1989-02-28),

7. 4779227 - Semiconductor memory device (1988-10-18),

8. 4733377 - Asynchronous semiconductor memory device (1988-03-22),

9. 4730280 - Semiconductor memory device having sense amplifiers with different (1988-03-08),

10. 4716307 - Regulated power supply for semiconductor chips with compensation for (1987-12-29),

11. 4660179 - Semiconductor memory device with switching for redundant cells (1987-04-21),

12. 4656608 - Semiconductor memory device (1987-04-07),

13. 4616344 - Static memory circuit (1986-10-07),

14. 4603404 - Semiconductor memory device with redundant cells (1986-07-29),

15. 4596936 - Circuit for shaping digital signals in an integrated circuit (1986-06-24),

Title: Keizo Aoyama: Pioneering Inventor from Yamato, Japan

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