View source for Category:Kazufumi Kawahara

== Kazufumi Kawahara ==

=== Executive Summary ===
Kazufumi Kawahara is an inventor who has filed 4 patents. Their primary areas of innovation include COMPOSITIONS OF MACROMOLECULAR COMPOUNDS  (compositions based on polymerisable monomers (2 patents), VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES (2 patents), WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES (2 patents), and they have worked with companies such as Asahi Kasei Kabushiki Kaisha (4 patents). Their most frequent collaborators include [[Category:Ryosuke Ozawa|Ryosuke Ozawa]] (3 collaborations), [[Category:Atsushi Bamba|Atsushi Bamba]] (2 collaborations), [[Category:Hirofumi Ono|Hirofumi Ono]] (2 collaborations).

=== Patent Filing Activity ===
[[File:Kazufumi_Kawahara_Monthly_Patent_Applications.png|border|800px]]

=== Technology Areas ===
[[File:Kazufumi_Kawahara_Top_Technology_Areas.png|border|800px]]

==== List of Technology Areas ====
* [[:Category:CPC_C08L1/02|C08L1/02]] (COMPOSITIONS OF MACROMOLECULAR COMPOUNDS  (compositions based on polymerisable monomers): 2 patents
* [[:Category:CPC_B60C1/00|B60C1/00]] (VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES): 2 patents
* [[:Category:CPC_C08J5/06|C08J5/06]] (WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES): 2 patents
* [[:Category:CPC_C08L9/06|C08L9/06]] (COMPOSITIONS OF MACROMOLECULAR COMPOUNDS  (compositions based on polymerisable monomers): 1 patents
* [[:Category:CPC_C08K5/1535|C08K5/1535]] (Use of inorganic or non-macromolecular organic substances as compounding ingredients  (paints, inks, varnishes, dyes, polishes, adhesives): 1 patents
* [[:Category:CPC_C08L2201/54|C08L2201/54]] (COMPOSITIONS OF MACROMOLECULAR COMPOUNDS  (compositions based on polymerisable monomers): 1 patents
* [[:Category:CPC_C08L2205/03|C08L2205/03]] (COMPOSITIONS OF MACROMOLECULAR COMPOUNDS  (compositions based on polymerisable monomers): 1 patents
* [[:Category:CPC_C08L2205/16|C08L2205/16]] (COMPOSITIONS OF MACROMOLECULAR COMPOUNDS  (compositions based on polymerisable monomers): 1 patents
* [[:Category:CPC_C08L2207/324|C08L2207/324]] (COMPOSITIONS OF MACROMOLECULAR COMPOUNDS  (compositions based on polymerisable monomers): 1 patents
* [[:Category:CPC_C08L2310/00|C08L2310/00]] (COMPOSITIONS OF MACROMOLECULAR COMPOUNDS  (compositions based on polymerisable monomers): 1 patents
* [[:Category:CPC_D21H15/02|D21H15/02]] (PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES): 1 patents
* [[:Category:CPC_D01F2/28|D01F2/28]] (CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS): 1 patents
* [[:Category:CPC_D04H1/425|D04H1/425]] (Cellulose series): 1 patents
* [[:Category:CPC_C08J2300/12|C08J2300/12]] (WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES): 1 patents
* [[:Category:CPC_C08L77/06|C08L77/06]] (COMPOSITIONS OF MACROMOLECULAR COMPOUNDS  (compositions based on polymerisable monomers): 1 patents
* [[:Category:CPC_C08B3/06|C08B3/06]] (POLYSACCHARIDES; DERIVATIVES THEREOF  (polysaccharides containing less than six saccharide radicals attached to each other by glycosidic linkages): 1 patents
* [[:Category:CPC_C08B3/20|C08B3/20]] (POLYSACCHARIDES; DERIVATIVES THEREOF  (polysaccharides containing less than six saccharide radicals attached to each other by glycosidic linkages): 1 patents
* [[:Category:CPC_C08L1/08|C08L1/08]] (COMPOSITIONS OF MACROMOLECULAR COMPOUNDS  (compositions based on polymerisable monomers): 1 patents
* [[:Category:CPC_C08L1/10|C08L1/10]] (COMPOSITIONS OF MACROMOLECULAR COMPOUNDS  (compositions based on polymerisable monomers): 1 patents
* [[:Category:CPC_D21H11/18|D21H11/18]] (PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES): 1 patents
* [[:Category:CPC_D21H11/20|D21H11/20]] (PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES): 1 patents
* [[:Category:CPC_C08J2377/06|C08J2377/06]] (WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES): 1 patents
* [[:Category:CPC_C08J2401/10|C08J2401/10]] (WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES): 1 patents
* [[:Category:CPC_C08J3/122|C08J3/122]] (Powdering or granulating): 1 patents
* [[:Category:CPC_C08K7/02|C08K7/02]] (Use of inorganic or non-macromolecular organic substances as compounding ingredients  (paints, inks, varnishes, dyes, polishes, adhesives): 1 patents
* [[:Category:CPC_C08L9/08|C08L9/08]] (COMPOSITIONS OF MACROMOLECULAR COMPOUNDS  (compositions based on polymerisable monomers): 1 patents
* [[:Category:CPC_C08L71/02|C08L71/02]] (Polyalkylene oxides): 1 patents
* [[:Category:CPC_C08J2309/08|C08J2309/08]] (WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES): 1 patents
* [[:Category:CPC_C08J2371/02|C08J2371/02]] (WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES): 1 patents
* [[:Category:CPC_C08K2201/011|C08K2201/011]] (Use of inorganic or non-macromolecular organic substances as compounding ingredients  (paints, inks, varnishes, dyes, polishes, adhesives): 1 patents
* [[:Category:CPC_C08L2203/30|C08L2203/30]] (COMPOSITIONS OF MACROMOLECULAR COMPOUNDS  (compositions based on polymerisable monomers): 1 patents

=== Companies ===
[[File:Kazufumi_Kawahara_Top_Companies.png|border|800px]]

==== List of Companies ====
* Asahi Kasei Kabushiki Kaisha: 4 patents

=== Collaborators ===
* [[:Category:Ryosuke Ozawa|Ryosuke Ozawa]][[Category:Ryosuke Ozawa]] (3 collaborations)
* [[:Category:Atsushi Bamba|Atsushi Bamba]][[Category:Atsushi Bamba]] (2 collaborations)
* [[:Category:Hirofumi Ono|Hirofumi Ono]][[Category:Hirofumi Ono]] (2 collaborations)
* [[:Category:Hirofumi Uchimura|Hirofumi Uchimura]][[Category:Hirofumi Uchimura]] (1 collaborations)
* [[:Category:Hirotaka Asai|Hirotaka Asai]][[Category:Hirotaka Asai]] (1 collaborations)
* [[:Category:Yoko Fujimoto|Yoko Fujimoto]][[Category:Yoko Fujimoto]] (1 collaborations)
* [[:Category:Naoaki Yamasaki|Naoaki Yamasaki]][[Category:Naoaki Yamasaki]] (1 collaborations)
* [[:Category:Masahiro Ohga|Masahiro Ohga]][[Category:Masahiro Ohga]] (1 collaborations)

[[Category:Kazufumi Kawahara]]
[[Category:Inventors]]
[[Category:Inventors filing patents with Asahi Kasei Kabushiki Kaisha]]