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KOWA CHEM IND LTD

Overview
  • Total Patents
    76
About

KOWA CHEM IND LTD has a total of 76 patent applications. Its first patent ever was published in 1972. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets materials and metallurgy, basic materials chemistry and machines are LAFABRICA S R L, KOWA CHEM IND CO LTD and RIMAN RICHARD E.

Patent filings per year

Chart showing KOWA CHEM IND LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Iwasaki Yoshio 34
#2 Yamashita Chiaki 23
#3 Nakajima Takayuki 13
#4 Sato Kazuo 10
#5 Okano Takeo 10
#6 Sekiguchi Isao 8
#7 Sakuragi Keisuke 7
#8 Kano Masao 6
#9 Atsuji Mikito 5
#10 Miura Ryuichi 5

Latest patents

Publication Filing date Title
US5843909A (3-β), 4-α, 16-β)-16, -23, 28-trihdroxyolean-12-ene-3-yl-β-D-glucopyranuronic acid derivatives, as glucose absorption inhibiting agents
EP0636633A1 A triterpenoid saponin, extraction thereof and use to treat or prevent diabetes mellitus
JPH06322922A Decorative sheet for mounting and execution method thereof
JPH06316997A Mounting face sheet, manufacturing and construction method therefor
JPH06307052A Surface ornamenting decorated sheet
JPH06307051A Surface ornamenting decorated sheet
JPH06307053A Surface ornamenting decorated sheet
JPH06271366A Fireproof coating material
JPH06271367A Fireproof coating material
JPH06271365A Fireproof coating material
JPH06257263A Surface-finishing decorative sheet and construction therewith, and surfacefinishing structure for building
JPH06136707A Improvement of surface layer ground
JPH0657095A Petroleum resin emulsion and its production
JPH0657094A Petroleum resin powder and its production
JPH0657149A Asphalt powder and its production
JPH0657147A Emulsified asphalt and its production
JPH05239307A Petroleum resin emulsifier and its production
JPH05239308A Petroleum resin powder and its production
JPH05239309A Pavement using petroleum resin emulsifier or powder
JPH05211856A Food and drink additive containing triterpene glycoside as active component and food and drink containing the additive