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SANRAKU INC

Overview
  • Total Patents
    154
About

SANRAKU INC has a total of 154 patent applications. Its first patent ever was published in 1976. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets organic fine chemistry, pharmaceuticals and environmental technology are ENS BIO LOGICALS INC, VERSICOR INC and KOSTER HUBERT.

Patent filings per year

Chart showing SANRAKU INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ishikura Tomoyuki 75
#2 Yoshioka Takeo 42
#3 Okamoto Rokuro 29
#4 Takeuchi Tomio 29
#5 Fukagawa Yasuo 28
#6 Yagi Yoshiaki 26
#7 Sawa Tsutomu 23
#8 Yoshimoto Akihiro 20
#9 Tone Hiroshi 19
#10 Sato Mitsukatsu 19

Latest patents

Publication Filing date Title
GB9616244D0 Coloured drill bits
JPH02138287A Phosphoric ester of novel antibiotic oa-6129
HU905753D0 Process for producing adriamycin and its salts
JPH0296582A Beta-lactam derivative
US5055259A Bloodless blood typing training kit
JPH02238855A Color-improving feed for fish
JPH0272880A Gene coding 4"-acylation enzyme of macrolide antibiotic substance
JPH02227027A Method for preventing cut vegetable from browning
JPH02212429A Hemoferrum-containing composition
JPH02202891A Beta-lactam compound and production thereof
US4997922A Anthracycline derivatives
JPH02171178A New microorganism imparted with converting ability for sucrose into resource
JPH02169587A Extraction of dioxane from crude dioxane
JPH02163090A Production of aromatic cis-dihydroxy derivative
JPH02157290A Anthracycline derivative and production thereof
JPH02142460A Synthetic japanese rice wine like 'lao-chu'
US4933439A Tylosin derivatives and processes for producing the same
US4918172A Anthracycline antibiotics
JPH0267292A Anthracycline antibiotic derivative
JPH0259595A Novel anthracycline antibiotic substance