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Koshikawa International Patent Office

tkoshi.com/jp561 applications38 foreign firms

Compare

Sends and receives in similar volume · main source EP, 68% of inbound

Sends abroad

25545% of cross-border

US100EP72CN71KR12

Receives from abroad

30655% of cross-border

EP200US86CN9KR1

Technology

B · Performing operations; transporting: 46%
H · Electricity: 34%
F · Mechanical engineering; lighting; heating; weapons; blasting: 25%

Clients

Direction by office

Sends toReceives from

JP → officeoffice → JP

Yearly activity

Sends toReceives fromStill publishing

Recent patent years fill in as applications publish (18–30 months).

Top counterpart firms

EPFASP Finck & Partner mbB17
EPPatentanwaltskanzlei GbR17
EPCohausz Hannig Borkowski Wißgott17

Contact

Website: tkoshi.com/jp
Office: JP

Key people

About

Koshikawa International Patent Office is an intellectual property firm in Hamamatsu, Japan. It handles patents, utility models, designs, trademarks, and other IP matters in Japan and abroad, across fields including electrical, information processing, communications, and mechanical engineering.

Observed fields

Software/Computing
Telecommunications
Electronics
Medical Devices
Chemistry
Automotive
+4

Other practice area evidence

Trademarks

Koshikawa International Patent Office · JP · 0 observed families, 2017–2026

Trademarks

Koshikawa International Patent Office · JP · 0 observed families, 2017–2026