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

Ichiro Azuma — 20 Patents

UNUnknown: 4 patents #4,220 of 83,584Top 6%
TITakeda Chemical Industries: 3 patents #379 of 1,420Top 30%
Mazda Motor: 3 patents #1,256 of 4,755Top 30%
DCDainippon Ink And Chemicals: 3 patents #161 of 1,002Top 20%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
TCToyo Rubber Industry Co.: 1 patents #16 of 50Top 35%
DCDaiichi Seiyaku Co.: 1 patents #38 of 111Top 35%
Sony: 1 patents #17,321 of 25,231Top 70%
DCDainippon Sumitomo Pharma Co.: 1 patents #107 of 256Top 45%
DIDic: 1 patents #467 of 844Top 60%
MKMurata Kikai: 1 patents #251 of 454Top 60%
TCTakara Shuzo Co.: 1 patents #138 of 264Top 55%
Suita, JP: #72 of 1,253 inventorsTop 6%
Overall (All Time): #214,803 of 4,157,543Top 6%
20 Patents All Time
Ichiro Azuma has been granted 20 US patents while listed as an inventor at Unknown. The first was granted in 1980 and the most recent in August 2020. Ichiro Azuma ranks #214,803 of 4,157,543 US inventors in our database (top 5.2%). Patent records list Ichiro Azuma in Suita, JP.

Patents per Year

Patents granted per year, 1980 to 2020Bar chart with a peak of 3 patents in 1993.peak 31980: 1 patents19801981: 2 patents1982: 1 patents19821983: 1 patents1985: 1 patents19851986: 1 patents1989: 1 patents19891992: 1 patents1993: 3 patents19931995: 1 patents1998: 2 patents19981999: 2 patents2003: 1 patents20032009: 1 patents2020: 1 patents2020

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10738203 Curing accelerator for oxidatively polymerizable unsaturated resin, printing ink and coating material Hiroshi Tsutsumi, Akinori Takahashi, Hiroaki Nakano, Takayuki Odashima 2020-08-11
7534443 Preparations for immunotherapy for cancer having bacterial somatic constituent as the active ingredient Norio Hamamatsu, Toshio Fujinaga 2009-05-19
6593096 Immunotherapeutic agent for cancer containing nucleoidal component of bacterium as active ingredient Akira Hayashi, Kumao Toyoshima 2003-07-15
5962588 Curable resin composition, paint using the same, and coat-finishing method Goro Iwamura, Shigeki Matsui, Yoshiaki Marutani, Hiroyuki Uemura, Tadamitsu Nakahama +4 more 1999-10-05 $222,000
5945483 High solids content resin composition, high solids content type paint, and painting process using the same Goro Iwamura, Shigeki Matsui, Yoshiaki Marutani, Hiroyuki Uemura, Shinji Sasaki +1 more 1999-08-31 $276,000
5763408 Amino acid derivatives and application thereof Naoyuki Nishikawa, Atsushi Orikasa, Hiroyuki Komazawa, Masayoshi Kojima, Ikuo Saiki 1998-06-09 $89,000
5705567 High solids content resin composition, high solids content type paint, and painting process using the same Goro Iwamura, Shigeki Matsui, Yoshiaki Marutani, Hiroyuki Uemura, Shinji Sasaki +1 more 1998-01-06 $375,000
5436221 Tumor metastasis inhibiting compounds and methods Hiroshi Kitaguchi, Hiroyuki Komazawa, Masayoshi Kojima, Hideto Mori, Naoyuki Nishikawa +4 more 1995-07-25 $65,000
5236903 Polypeptide comprising repeated cell-adhesive core sequences Ikuo Saiki, Norio Nishi, Seiichi Tokura 1993-08-17
5198423 Functional polypeptide containing a cell binding domain and a heparin binding domain of fibronectin Yuki Taguchi, Yoh'ichi Ohdate, Yasutoshi Kawase, Shouichi Goto, Fusao Kimizuka +2 more 1993-03-30
5183804 Polypeptide comprising repeated cell-adhesive core sequences Ikuo Saiki, Norio Nishi, Seiichi Tokura 1993-02-02
5161880 Light source device 1992-11-10 $94,000
4873092 Slow-releasing preparation Seiichi Tokura, Shinichiro Nishimura, Hiroshi Seo 1989-10-10
4606857 Muramyldipeptide derivatives Akira Hasegawa, Yuichi Yamamura 1986-08-19
4543253 Solidified pharmaceutical composition comprising cell wall skeleton Yuichi Yamamura, Katsusuke Ennyu, Osamu Aoki 1985-09-24
4369178 Glucosamine peptide derivatives, their production and use Yuichi Yamamura, Shigeru Kobayashi 1983-01-18
4314998 6-Deoxyglucosamine-peptide derivatives, their production and use Yuichi Yamamura, Akira Hasegawa, Shigeru Kobayashi 1982-02-09
4289856 Process for preparing non-yellowing integral-skinned polyurethane foam using a polyol having a functionality of 4 to 8 Masaki Yamamoto 1981-09-15
4243663 Glycolipid compositions for transplanted tumor immunotherapy Yuichi Yamamura 1981-01-06
4191778 Aqueous immunoregulatory agent Yuichi Yamamura, Kazuhisa Sugimura, Hiroshi Morimoto, Isuke Imada, Masazumi Watanabe 1980-03-04