Yoshitaka Yasufuku

This inventor holds 17 USPTO granted patents, primarily in Magnetic Recording Media. Top assignees: Konishiroku Photo Industry Co., Ltd., Konica Corporation. Active years: 1983-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshitaka Yasufuku. Retrieved from https://idiyas.com/inventor/yoshitaka-yasufuku

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

USPTO Granted Patents = 17

% Patents Active = 100.0

Average Co-Inventor Count = 3.3

ph-index = 8

Forward Citations = 240(Granted Patents)

Location History:

Hino, JP (1983 - 1994)
Tokyo, JP (1994)

Company Filing History:

9 out of 1,252

Konishiroku Photo Industry Co., Ltd.

Years Active: 1983-1994

Loading Chart...

Areas of Expertise:

Tape Cassette

Lid-Locking Device

Magnetic Recording

Silver Halide

Light-Sensitive Material

Ink Composition

Ink Jet Recording

Leaf-Shaped Spring

Front Cover Mechanism

Magnetic Metal Powder

Recording Medium

17 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5335876 - Tape cassette lid-locking device (1994-08-09),

2. 5318826 - Information recording medium comprising a silver nalide light sensitive (1994-06-07),

3. 5294525 - Silver halide photographic light-sensitive material capable of (1994-03-15),

4. 5284716 - Magnetic recording medium (1994-02-08),

5. 5055349 - Magnetic recording medium (1991-10-08),

6. 5041939 - Magnetic tape cassette with leaf-shaped spring door closure mechanism (1991-08-20),

7. 5035856 - Magnetic recording medium (1991-07-30),

8. 4951167 - Magnetic tape cassette with improved front cover supporting mechanism (1990-08-21),

9. 4832301 - Hanger (1989-05-23),

10. 4761338 - Magnetic recording medium (1988-08-02),

11. 4731292 - Magnetic recording medium (1988-03-15),

12. 4710427 - Process for treating magnetic metal power (1987-12-01),

13. 4684572 - Magnetic recording medium (1987-08-04),

14. 4652496 - Magnetic recording medium (1987-03-24),

15. 4562117 - Magnetic recording medium and a process of fabricating such magnetic (1985-12-31),

Profile summary based on public USPTO records.

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]