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

Kaori Ishimaru — 13 Patents

ARArkray: 8 patents #31 of 354Top 9%
KCKyoto Daiichi Kagaku Co.: 3 patents #33 of 118Top 30%
PCPresident, National Cancer Center: 2 patents #3 of 18Top 20%
TITakeda Chemical Industries: 1 patents #745 of 1,420Top 55%
Osaka, JP: #3,430 of 24,344 inventorsTop 15%
Overall (All Time): #362,438 of 4,157,543Top 9%
13 Patents All Time
Kaori Ishimaru has been granted 13 US patents while listed as an inventor at Arkray. The first was granted in 1997 and the most recent in June 2012. Kaori Ishimaru ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Kaori Ishimaru in Osaka, JP.

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8192996 Method for storing tetrazolium compound, stabilizer used in the same, and tetrazolium compound reagent solution using the method Satoshi Yonehara 2012-06-05
8026078 Method of quantifying glycosylated protein using redox reaction and quantification kit Satoshi Yonehara, Tsuguki Komori 2011-09-27
8021855 Method of decomposing protein with sulfonic acid compound Satoshi Yonehara, Kaoru Hirai 2011-09-20
7381539 Method of assay by oxidation-reduction reaction with formazan Satoshi Yonehara 2008-06-03 $518,000
7354732 Method of assay with sulfonic acid compound and nitro compound Satoshi Yonehara, Kaoru Hirai 2008-04-08 $494,000
7226790 Method for measurement using sodium azide Miki Horii 2007-06-05 $366,000
6825016 &agr;-glycated amino acid releasing enzyme Masayuki Yagi, Satoshi Yonehara 2004-11-30
6797503 Enzyme Masayuki Yagi, Satoshi Yonehara 2004-09-28
6127138 Method of enzymatically measuring glycated protein Katsutaka Ooishi, Hiroshi Fukuya, Akihiko Okamura 2000-10-03
6033867 Fructosyl amino acid oxidase, process for producing the same, and method of assaying amadori compounds using the enzyme Nobuo Kato, Yasuyoshi Sakai, Yoshiki Tani, Hiroshi Fukuya, Masayuki Yagi +2 more 2000-03-07
6013784 Nucleic acids encoding HST 2 muteins Koji Yoshimura, Koichi Igarashi, Masaaki Terada 2000-01-11
5712138 Fructosyl amino acid oxidase Nobuo Kato, Yasuyoshi Sakai, Yoshiki Tani, Toshikatsu Sakai 1998-01-27
5679550 Hst-2 muteins, pharmaceutical compositions and kits comprising same, and preparation of same Koji Yoshimura, Koichi Igarashi, Masaaki Terada 1997-10-21