Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
YA

Yuichi Arai — 25 Patents

COCombi: 10 patents #18 of 161Top 15%
WTWestern Digital Technologies: 10 patents #340 of 3,180Top 15%
SCSeikoh Giken Co.: 2 patents #26 of 69Top 40%
IBM: 2 patents #32,909 of 70,183Top 50%
Kawasaki, JP: #964 of 15,035 inventorsTop 7%
Overall (All Time): #158,593 of 4,157,543Top 4%
25 Patents All Time
Yuichi Arai has been granted 25 US patents while listed as an inventor at Combi. The first was granted in 1993 and the most recent in December 2023. Yuichi Arai ranks #158,593 of 4,157,543 US inventors in our database (top 3.8%). Patent records list Yuichi Arai in Kawasaki, JP.

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11842754 Dual gasket for manufacturing of hermetically-sealed hard disk drive Miki Namihisa, Hiroshi Matsuda, Takashi Tomita 2023-12-12 $45,171,000
11615810 Hard disk drive non-uniform disk shroud clearance Andre S. Chan, Yoshiyuki Hirono 2023-03-28 $11,020,000
11373677 Double bend VCM yoke structure Miki Namihisa, Kouki Uefune, Toshio Takahashi 2022-06-28 $10,229,000
11348619 Dual gasket for manufacturing of hermetically-sealed hard disk drive Miki Namihisa, Hiroshi Matsuda, Takashi Tomita 2022-05-31 $20,381,000
10997998 Tape embedded drive with tied spindle structure Kouki Uefune, Toshio Takahashi, Takako Hayakawa 2021-05-04 $12,304,000
10622027 Magnetic storage device with improved top cover gasket and associated method of manufacture Jiro Kaneko, Yoshiya Usami 2020-04-14 $18,496,000
10424345 Misalignment-tolerant flexible type electrical feed-through Miki Namihisa, Kimihiko Sudo, Takako Hayakawa 2019-09-24 $27,533,000
9721619 Hermetic sealing of hard disk drive using laminated film seal Kimihiko Sudo, Takako Hayakawa, Yuta Onobu 2017-08-01 $18,124,000
9721620 Hermetic sealing of hard disk drive using laminated film seal Kimihiko Sudo, Takako Hayakawa, Yuta Onobu 2017-08-01 $18,124,000
9704539 Hermetic sealing of hard disk drive using laminated film seal Kimihiko Sudo, Takako Hayakawa, Yuta Onobu 2017-07-11 $26,483,000
7246813 Baby carriage folding mechanism for a folding baby carriage Kojiro Yamazaki, Mikiya Tanaka 2007-07-24
7229083 Stroller on which basket can be mounted Kazunao Ogura, Toshiro Yoshie 2007-06-12
7168728 Stroller foldable in three Nobuhide Suga, Toshiharu Hatano 2007-01-30
7044651 Ferrule heating apparatus and method of adhering ferrule and optical fiber Tsuguo Satoh, Kunio Yamada, Takehiko Narita, Tatsuya Fujiwara 2006-05-16
7007968 Baby carriage folding mechanism for a folding baby carriage Kojiro Yamazaki, Mikiya Tanaka 2006-03-07
6860504 Stroller foldable in three Nobuhide Suga, Toshiharu Hatano 2005-03-01
6808314 Optical fiber end face polishing machine Kunio Yamada, Takehiko Narita, Yoshitaka Kimura 2004-10-26
6752413 Baby carriage holding mechanism for a folding baby carriage Kojiro Yamazaki, Mikiya Tanaka 2004-06-22
6422587 Baby carriage folding mechanism for a folding baby carriage Kojiro Yamazaki, Mikiya Tanaka 2002-07-23
D399572 House unit Toshinori Ota 1998-10-13
5757592 Laminated coil for a magnetic head of a disk drive and method for manufacturing the same Sakae Kobayashi, Kohki Noda, Kazuya Takeda, Hiroshi Umezaki 1998-05-26 $6,589,000
5511441 Locking/unlocking manipulation mechanism disposed on the handlebars of baby carriage 1996-04-30
5246272 Baby carriage or the like including reclining or collapsing mechanism Hitoshi Kato 1993-09-21
5205579 Handle bar for baby carriage Hitoshi Kato 1993-04-27
5201535 Folding stroller with detachable seat Hitoshi Kato 1993-04-13