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USPTO Patent Rankings Data through Dec 31, 2025
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Fuminori Hikami — 9 Patents

RRRead Rite: 6 patents #36 of 255Top 15%
W(Western Digital (Fremont): 3 patents #181 of 473Top 40%
Mishima, JP: #199 of 754 inventorsTop 30%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Fuminori Hikami has been granted 9 US patents while listed as an inventor at Read Rite. The first was granted in 1999 and the most recent in May 2006. Fuminori Hikami ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Fuminori Hikami in Mishima, JP.

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7046490 Spin valve magnetoresistance sensor and thin film magnetic head Masaki Ueno, Hideyasu Nagai, Koichi Suzuki, Tomoki Fukagawa 2006-05-16 $8,215,000
7026063 Spin-valve type magnetoresistance sensor and thin-film magnetic head Masaki Ueno, Hiroshi Nishida 2006-04-11 $5,148,000
6798625 Spin-valve magnetoresistance sensor and thin-film magnetic head Masaki Ueno, Kiyotaka Tabuchi, Tatsuo Sawasaki, Hiroshi Nishida, Kazuhiro Mizukami 2004-09-28 $3,416,000
6791807 Spin-valve magnetic transducing element and magnetic head having free layer with negative magnetostriction Hideyasu Nagai, Masaki Ueno, Marcos M. Lederman, Hirohiko Kamimura, Masahiko Ando +1 more 2004-09-14
6636394 Spin-valve magnetic resistance sensor and thin-film magnetic head Tomoki Fukagawa, Hiroshi Nishida, Masateru Nose 2003-10-21
6340533 Spin-valve magnetoresistance sensor and thin film magnetic head Masaki Ueno, Hideyasu Nagai, Tatsuo Sawasaki 2002-01-22 $12,031,000
6266216 Inductive/MR composite type thin-film magnetic head with NLTS reduction Kenji Komaki, Masayuki Takagishi 2001-07-24 $16,656,000
6222707 Bottom or dual spin valve having a seed layer that results in an improved antiferromagnetic layer Yiming Huai, Geoffrey W. Anderson, Ningjia Zhu, Wenjie Chen 2001-04-24 $11,676,000
5969911 Inductive/MR composite type thin-film magnetic head Masayuki Takagishi 1999-10-19 $1,344,000