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

Mamoru Sugimoto — 26 Patents

MEMecta: 17 patents #3 of 74Top 5%
RKRikagaku Kenkyusho: 6 patents #6 of 207Top 3%
TCTorii & Co.: 4 patents #9 of 33Top 30%
NCNissin Food Products Co.: 3 patents #2 of 41Top 5%
KCKanto Ishi Pharmaceutical Co.: 2 patents #5 of 18Top 30%
TCTeikoku Chemical Industry Co.: 1 patents #6 of 31Top 20%
Chiba, JP: #308 of 6,266 inventorsTop 5%
Overall (All Time): #150,017 of 4,157,543Top 4%
26 Patents All Time
Mamoru Sugimoto has been granted 26 US patents while listed as an inventor at Mecta. The first was granted in 1981 and the most recent in December 2004. Mamoru Sugimoto ranks #150,017 of 4,157,543 US inventors in our database (top 3.6%). Patent records list Mamoru Sugimoto in Chiba, JP.

Patents per Year

Patents granted per year, 1981 to 2004Bar chart with a peak of 4 patents in 1991.peak 41981: 3 patents19811983: 1 patents1987: 1 patents19871988: 2 patents1990: 3 patents19901991: 4 patents1992: 2 patents19921993: 1 patents1995: 2 patents19951996: 1 patents1997: 1 patents19971998: 2 patents2002: 1 patents20022003: 1 patents2004: 1 patents2004

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6835720 Compounds having antiviral activity Shuji Fujita, Masaaki Numata, Kazuo Suzuki, Shigeki Nunomura, Masaki Terada 2004-12-28 $9,000
6541461 Compounds having antiviral activity Shuji Fujita, Masaaki Numata, Kazuo Suzuki, Shigeki Nunomura, Masaki Terada 2003-04-01 $5,000
6337390 Compounds comprising sulfated nonulonic acid having antiviral activity Shuji Fujita, Masaaki Numata, Kazuo Suzuki, Shigeki Nunomura, Masaki Terada 2002-01-08
5763420 Method for modulating the immune system Ryoichi Osawa, Isao Suda, Masaaki Numata, Kenkichi Tomita, Nobuyuki Kibushi +7 more 1998-06-09
5763413 Lewis-associated compound, process for producing the same, and anti-inflammatory Masaaki Numata, Shigeki Nunomura, Shuji Fujita, Masami Iida, Akira Endo +4 more 1998-06-09
5668115 Methods for inhibiting the chemotaxis of neutrophils Ryoichi Osawa, Isao Suda, Masaaki Numata, Kenkichi Tomita, Nobuyuki Kibushi +7 more 1997-09-16
5516764 Anti-inflammatory agent Ryoichi Osawa, Isao Suda, Masaaki Numata, Kenkichi Tomita, Nobuyuki Kibushi +7 more 1996-05-14
5470962 Oligosialyl-1,2-dialkyl-sn-glycerols and synthetic intermediates for their preparation Tomoya Ogawa, Shigeki Nunomura 1995-11-28
5393742 Preparation for treating renal disease Takayuki Ishii, Makiko Kasano, Tae Yasunaga, Mariko Ishii, Kenkichi Tomita +2 more 1995-02-28
5264567 GM.sub.3 analogous compound Masaaki Numata, Shuji Fujita, Masanori Kobayashiu, Kenkichi Tomita, Makoto Tanaka +1 more 1993-11-23
5173420 Monoclonal antibody recognizing un-natural ganglioside GD3 Reiji Kannagi, Yoshiko Kirihata, Tomoya Ogawa, Masaaki Numata 1992-12-22
5101026 Ganglioside related compounds and method of producing the same Tomoya Ogawa, Masaaki Numata, Masayoshi Ito, Yoshiyasu Shitori, Shigeki Nunomura 1992-03-31
5057605 Sialocylglycerolipids and method for preparing the same Shoji Yoshimura, Yuzi Matsuzaki, Masayoshi Ito, Yoshiyasu Shitori, Tomoya Ogawa 1991-10-15
4992533 Sulfated oligosaccharides and derivatives thereof Masanori Kobayashi, Kenkichi Tomita, Yukishige Ito, Tomoya Ogawa 1991-02-12
4990604 Asialoganglioside related compounds Tomoya Ogawa, Yoshiyasu Shitori, Toshio Horisaki, Tadami Shinuchi 1991-02-05
4990603 Sialic acid derivatives and process therefor Tomoya Ogawa, Masaaki Numata, Shoji Yoshimura, Masayoshi Ito, Yoshiyasu Shitori 1991-02-05
4968786 Sialic acid derivatives, galactose derivatives and method for producing the same Tomoya Ogawa, Yoshiyasu Shitori, Masayoshi Ito 1990-11-06
4950750 Glycolipid containing N-glycolylneuraminic acid and method of producing the same Tomoya Ogawa, Masaaki Numata, Shohei Shibayama, Shoji Yoshimura, Masayoshi Ito +1 more 1990-08-21
4921948 Sialosyl glyceride and process for producing the same Shoji Yoshimura, Yuzi Matsuzaki, Masayoshi Ito, Tomoya Ogawa 1990-05-01
4751290 Sialosylcerebrosides Tomoya Ogawa, Masaaki Numata, Yoshiyasu Shitori, Masayoshi Ito 1988-06-14
4730058 Sialosylceramides and production method thereof Tomoya Ogawa, Masaaki Numata, Yoshiyasu Shitori, Masayoshi Ito 1988-03-08
4694076 Sialic acid derivatives Tomoya Ogawa, Yoshiyasu Shitori, Masayoshi Ito 1987-09-15
4418012 Leucylalany-arginine derivative Setsuro Fujii, Takashi Yaegashi 1983-11-29
4308201 Phenylalanylvalylarginine derivative, process for producing same and method for measuring activity of enzymes using same Setsuro Fujii, Takashi Yaegashi 1981-12-29
4308202 Prolylphenylalanylarginine derivatives, process for producing same and method for measuring activity of enzymes using same Setsuro Fujii, Takashi Yaegashi 1981-12-29