The Head / Patent Attorney
Toshio YOSHIKAWA
Name
Toshio YOSHIKAWA
Field of Expertise
Synthetic Chemistry
Academic Background
Graduated from Kyoto University Faculty of Engineering, Undergraduate School of Industrial Chemistry Department of Polymer Chemistry
Graduated the Master’s Program of Kyoto University Graduate School of Engineering, Department of Industrial Chemistry
Career Summary
After being with research and development at a major engineering corporation, YOSHIKAWA became a patent attorney and established the Yoshikawa International Patent Office in 1988. After establishing the Office, with his experience in an extremely broad range of fields centered on his field of expertise of organic chemistry including polymers, synthetic, and catalytic chemistry and ranging to medicine, biochemistry, inorganic chemistry (materials for glass, cement, metals, etc.), and fibers, etc. YOSHIKAWA has handled numerous cases for domestic major pharmaceutical companies and fiber manufacturers.

Patent Attorney Registration: 1984
Patent Attorney
Kanna ICHIKAWA
Name
Kanna ICHIKAWA
Field of Expertise
Biotechnology, Biology
Academic Background
Graduated the Master’s Program of Kyoto University Graduate School of Biostudies, Division of Integrated Life Science, Laboratory of Signal Transduction
Notable Papers Written
Analysis of Abnormalities in the Cerebellum of αN-catenin Knockout Mouse
Career Summary
Since joining our Office in 2003, ICHIKAWA has studied hard and is now responsible for a wide array of duties that include preparing the descriptions of applications for patents, utility models, and designs, intermediate processing such as rejection appeals, various trials, cancellation suits of various trials, consultation with clients in relation to various applications, consulting of such as application strategies, infringement litigation, and patent searches, etc. She has handled numerous cases especially with patents and trademarks related to biotechnology, and boasts good reputation of being well trusted by clients.

Although ICHIKAWA’s field of expertise, as mentioned above, is biotechnology and biology, she is currently capable of corresponding to an extremely broad range of fields including biotechnology, biology, organic chemistry, inorganic chemistry, polymers, daily necessities, food products, and others.

Also, currently as a secondary patent attorney following the Head Patent Attorney, while utilizing her rich experience in the field of intellectual property, she handles all variations of duties in the field of intellectual property from trademarks (applications and acquiring of rights for domestic and overseas cases, investigations prior to application or registration, trademark consultation), patents and utility models, and designs (applications and acquiring of rights for domestic and overseas cases).

In the field of biotechnology, it is suspected that a patent attorney full of expertise to this extent is unparalleled. She is proud of conducting her duties at a high level based on her profound knowledge.

Our services

Our People

Name
Toshio YOSHIKAWA
Field of Expertise
Synthetic Chemistry

Name
Kanna ICHIKAWA
Field of Expertise
Biotechnology, Biology

Name
Hideki ISHII
Field of Expertise
Machinery, Architecture, Civil Engineering

Name
Masahiro MACHIDA
Field of Expertise
Electrics, Electronics, Communication, Automated Controls...

Name
Ryousuke FUKUDA
Field of Expertise
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Name
Takaharu SAEKI
Field of Expertise
Physical Engineering, Electronic Engineering

Name
Tomoko MIHARA
Field of Expertise
Biotechnology, Informatics

Name
Marvin ARENS
Languages
German, English

Name
Tristan BRUXELLE
Languages
French, English, Japanese

Name
Xue, Chunhua
Languages
Chinese, Korean, Japanese

Name
Deepu DEV
Languages
Hindi, Malayalam, Tamil, Kannada, English, Japanese

Name
Shen HUA
Languages
Chinese, Korean, Japanese

Name
Kan JIEUN
Languages
Korean, English, Japanese

Name
Lee YINGHONG
Languages
Chinese, Japanese

Name
Francesco Di Sano
Languages
Italian, English, Japanese

Name
Shakirova Leysan
Languages
Russian, English, Japanese

Name
Marie YAMAMOTO
Languages
English, Japanese

Name
Marina MATSUMOTO
Languages
English, Japanese

Name
Miwa KURIBAYASHI
Languages
English, Japanese

Name
Ayana YAMAMOTO
Languages
English, Japanese

Name
Seiko Doi
Languages
Italian, Japanese

Name
Mana Nishijima
Languages
English, Japanese

Name
Yuka Kido
Languages
English, Japanese

Name
Hanayo Fuji
Languages
English, Japanese

Name
Akihiko TAKAHASHI
Languages
English, Japanese

Name
Masatuni MAYAKAWA
Languages
English, Japanese

Name
Shohoi ODA
Languages
English, Japanese

Name
Noriyoki KITAKAWA
Languages
English, Japanese

Name
Kohara MIZUSHIMA
Languages
English, Japanese

Name
Ryoma SAKAKI
Languages
English, Japanese

Name
Kozue ITO
Languages
English, Japanese

Information

2016.07.28
Update
2016.04.01
Accelerated Examination

more

Access

Osaka Kyobashi Building 4F, 1-20-5, Higashinoda-cho, Miyakojima-ku, Osaka 534-0024 JAPAN
Tel:+81 6 6356 8885 / Fax:+81 6 6356 8883 / e-mail:yoshikawa@e-patent.jp