Hirofumi KOJIMA — 3 Patents at Nidec

Hirofumi KOJIMA — 3 Patents

NINidec: 2 patents #402 of 976Top 45%

MCMitsubishi Electric Semiconductor Software Co.: 1 patents #33 of 117Top 30%

MDMitsubisih Denki: 1 patents #26 of 381Top 7%

Kasai, JP: #2,196 of 5,842 inventorsTop 40%

Overall (All Time): #1,328,092 of 4,157,543Top 35%

Hirofumi KOJIMA has been granted 3 US patents while listed as an inventor at Nidec. The first was granted in 1998 and the most recent in July 2012. Hirofumi KOJIMA ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Hirofumi KOJIMA in Kasai, JP.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
8215842	Dynamic fluid pressure bearing, spindle motor, disk drive apparatus and method for manufacturing the dynamic fluid pressure bearing	Tetsuya Maruyama, Makoto Kutsukake, Michihiro Ito, Masayoshi Saichi	2012-07-10	$510,000
8169738	Fluid dynamic bearing mechanism including communicating channel, spindle motor, and disk drive apparatus	Atsushi Yawata, Yoichi Sekii, Junya Mizukami, Tetsuya Maruyama	2012-05-01	$365,000
5841157	Semiconductor integrated circuit including a high density cell	Yutaka Kamakura	1998-11-24

Hirofumi KOJIMA — 3 Patents

Issued Patents All Time

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