Our core purpose is to produce quality yet affordable and simple to maintain tools.
We aim to research and develop affordable methods for the maintenance of historical timber structures, dwellings, stores, office buildings, public baths, medical and healthcare facilities, and any facilities where hygiene is paramount such as food processing plants. We have the research and development site at Ritsumeikan University, Kusatsu campus in order to remain current and take advantage of the variety of disciplines available at a modern university. We believe this is the best path to enriching the lives of our customers.
|1-1-1 Noji-higashi, Kusatsu Shiga 525-8577 JAPAN
|Founded Hayakawa Biken, a window cleaning company for tall buildings
|Started cleaning business for shops, office buildings, hospitals and care houses etc. in Shiga prefecture.
|Undertook an annual contract to clean all the premises belonging to the the general drug store chain, ‘Kirin do’.
|Contracted with MIta City hospital in Hyogo Prefecture for general all purpose improvements.
|Contracted with Otsu Red Cross Hospital in Shiga prefecture for improving cleaning management systems for the entire building.
|Contracted with JCHO Shiga Hospital for improving cleaning management systems for the entire building.
|Founded Grandline Inc.
|Contracted with a convenience store and main office of a drug store for improving restroom sanitation.
|Our unique cleaning management manual was adopted by whole branches of a convenience store chain, started selling cleaning products throughout Japan.
|Started developing ‘AIR KANNA’ for renewing wood surface using a dry process.
|Started supplying OEM to major mail order companies, shopping channels, cosmetic companies, factories, etc.
| Relocated the office and laboratory toRitsumeikan University.
Received a ‘manufacturing for small & medium enterprises’ grant for ‘Skill development measures related hyper hydraulic antifouling and antimicrobial coating’ From the Organization for Small & Medium Enterprises and Regional Innovation
|Registered trade mark right for AIR KANNA (Registration number 5813503)
Developed the prototype of AIR KANNA dry process and contracted with Higashi Ote Mon at Nijo Castle in Kyoto (World Cultural Heritage site) for the removal of rust.
|Undertook a contract with Asakura-yama Shinzen-in Temple in Gifu prefecture (a National Treasures and Important Cultural Properties site) for removal of decayed paint using the AIR KANNA.
|Registered patent for AIR KANNA (Registration number 62068985)
Began a contract with Mieido and Kuden in Jodo Shu head temple, Chion-in in Kyoto prefecture, (a National Treasures and Important Cultural Properties site)for cleaning gold leaf decorations after our presentation of AIR KANNA.
|Successfully developed natural coating ( base coat, bitumen coat, vermilion lacquer, color coat etc.) , penetrative color pigment paint (O.S.V、OC、OPOS、ST、WP), synthetic resin coatings (paint, enamel etc.) , environmentally friendly peeling agent and wet process.