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

Kenji Abiko — 16 Patents

UNUnknown: 6 patents #2,010 of 83,584Top 3%
MIMitutoyo: 4 patents #230 of 721Top 35%
SCShinko Electric Industries Co.: 3 patents #291 of 267Top 110%
JAJapan Science And Technology Agency: 2 patents #401 of 2,171Top 20%
Sony: 2 patents #13,023 of 25,231Top 55%
UIUlvac-Phi, Incorporated: 1 patents #6 of 25Top 25%
NGNihon Shinku Gijutsu: 1 patents #54 of 128Top 45%
JSJfe Steel: 1 patents #825 of 1,401Top 60%
MCMitutoyo Mfg. Co.: 1 patents #56 of 118Top 50%
JTJapan Science And Technology: 1 patents #225 of 836Top 30%
OCOlympus Optical Co.: 1 patents #1,517 of 2,334Top 65%
Sendai, JP: #124 of 1,330 inventorsTop 10%
Overall (All Time): #284,196 of 4,157,543Top 7%
16 Patents All Time
Kenji Abiko has been granted 16 US patents while listed as an inventor at Unknown. The first was granted in 1981 and the most recent in April 2014. Kenji Abiko ranks #284,196 of 4,157,543 US inventors in our database (top 6.8%). Patent records list Kenji Abiko in Sendai, JP.

Patents per Year

Patents granted per year, 1981 to 2014Bar chart with a peak of 2 patents in 1999.peak 21981: 1 patents19811982: 1 patents1986: 1 patents19861987: 1 patents1989: 1 patents19891990: 1 patents1999: 2 patents19992000: 1 patents2002: 1 patents20022004: 1 patents2006: 1 patents20062012: 1 patents2013: 2 patents20132014: 1 patents2014

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8685315 Cr-based alloy having an excellent strength-ductility balance at high temperature 2014-04-01
D678033 Stand for a micrometer Sadayuki Matsumiya, Shuji Hayashida, Shigeru Ohtani, Yoshiro Asano 2013-03-19
D678090 Stand for a micrometer Sadayuki Matsumiya, Shuji Hayashida, Shigeru Ohtani, Yoshiro Asano 2013-03-19
D657654 Knob for a stand for measuring instruments Sadayuki Matsumiya, Shuji Hayashida, Shigeru Ohtani, Yoshiro Asano 2012-04-17
7037467 Cr-based alloy excellent in balance between strength and ductility at high temperature 2006-05-02
6726739 Method of treating metal analysis sample and device thereof Hisao Yasuhara, Takashi Niida, Makoto Shimura, Hideo Iwai 2004-04-27
6500278 Hot rolled electrical steel sheet excellent in magnetic characteristics and corrosion resistance and method for production thereof 2002-12-31
6049559 Method of refining metal to high degree of purity and high-frequency vacuum induction melting apparatus Hitoshi Kawano, Masanori Tsuda, Yasuhiro Nakai, Tadahito Nakajima, Masanobu Harada +1 more 2000-04-11
5974077 Method of refining metal to high degree of purity and high-frequency vacuum induction melting apparatus Hitoshi Kawano, Yoshihiro Ashino 1999-10-26
5892790 Cold crucible induction furnace Hitoshi Kawano, Masanori Tsuda, Tadahito Nakajima 1999-04-06
4899456 Surface contour measuring tracer Hideo Morita, Katsuaki Anzawa 1990-02-13
4826025 Ampoule package Yoshio Watanabe, Noboru Anzai, Kenichi Takahashi 1989-05-02
4705366 High temperature microscope Hiroshi Kimura 1987-11-10
4611403 Surface tracer Hideo Morita, Tetsuo Nakamura 1986-09-16
4362581 Magnetic alloy Hiroshi Kimura, Takashi Sato, Isamu Yoshii, Sadao Watanabe, Yutaka Takei 1982-12-07 $274,000
4299622 Magnetic alloy Hiroshi Kimira, Takashi Sato, Isamu Yoshii, Sadao Watanabe, Yutaka Takei 1981-11-10 $925,000