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RYUHODO SEIYAKU KK

Overview
  • Total Patents
    21
About

RYUHODO SEIYAKU KK has a total of 21 patent applications. Its first patent ever was published in 1985. It filed its patents most often in Japan. Its main competitors in its focus markets organic fine chemistry, pharmaceuticals and machines are SUNSTAR HAMIGAKI, POLA KASEI KOGYO KK and SHI CHUNMEI.

Patent filings in countries

World map showing RYUHODO SEIYAKU KKs patent filings in countries
# Country Total Patents
#1 Japan 21

Patent filings per year

Chart showing RYUHODO SEIYAKU KKs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Yamashita Soichiro 5
#2 Masuda Kunio 4
#3 Matsukawa Seiji 4
#4 Miyamoto Takuji 3
#5 Tsujita Minoru 3
#6 Kawanaka Hajime 3
#7 Yamada Tsugio 2
#8 Takeuchi Toru 2
#9 Hirayama Kenzo 2
#10 Toda Tomoko 2

Latest patents

Publication Filing date Title
JP2004051580A Anti-aging agent, maillard reaction inhibitor, collagenase activity inhibitor and cosmetic for prevention of skin aging containing those
JP2000264826A Liquid crystal composition and skin cosmetic formulated with the same
JPH0977634A Cell activator and skin preparation for external use blending the same
JPH0812535A Shampoo
JPH0597645A Cosmetic
JPH04346908A Cosmetic containing partially degraded product of guar gum
JPH03200721A Composite-type ultraviolet absorber
JPH02262505A Powder cosmetic containing treated material of sake (rice wine) lees
JPH02207012A Cosmetic for preventing skin from aging
JPH0219252A Vessel and its production
JPH01295849A Cylindrical tube-shape container and method for printing surface thereof
JPH01167002A Content filling for plastic container
JPH01157347A Production of undenatured and sterile honey
JPS645816A Manufacture of patterned resin container
JPS63190820A Foamable bathing agent
JPS6360911A Ascorbic acid-containing composition
JPS62244350A Ice-cream base and production thereof
JPS6253914A Production of slid powdery cosmetic
JPS6233195A Production of ascorbic acid derivative
JPS61286397A Ascorbic acid derivative