Company Badge
USPTO Data Jan 1 1976 - Dec 30 2025
264 Patents
#14 in
#563 in Japan
#3,215 in the World
Pentel Kabushiki Kaisha
Forward Citations = 4,543
176 inventors:
Pentel Kabushiki Kaisha
EPO Patents = 4
Trademarks = 16
Forward Citations = 4,543
Loading Chart...
Loading Chart...
176 inventors (with patents filed for the assignee):
Shigeo Oka (39 out of 41 patents)
Kazuhisa Shimizu (36 out of 36 patents)
Tomoaki Shibata (30 out of 34 patents)
4. Hidekazu Nakazawa (22 out of 23 patents)
5. Tomozo Sekiguchi (12 out of 12 patents)
6. Kunio Itoh (10 out of 14 patents)
7. Kiyomi Abe (8 out of 8 patents)
8. Junichi Hashimoto (7 out of 171 patents)
9. Masayuki Kawasaki (6 out of 10 patents)
10. Yoshihiro Wada (6 out of 6 patents)
11. Gouji Sakaoka (6 out of 9 patents)
12. Kunio Ito (6 out of 6 patents)
13. Masamitsu Nagahama (5 out of 17 patents)
14. Kazunori Suzuki (5 out of 9 patents)
15. Shigeki Maruyama (4 out of 9 patents)
Core Competencies:
Ballpoint Pen
Mechanical Pencil
Marking Pen
Ink Composition
Oily Ink Composition
Correction Pen
Brush
Attachment Structure
Lead Case
Writing Instrument
Writing Tool
Clip Design
264 patents:
PENTEL KABUSHIKI KAISHA is a leading Japanese manufacturer of writing instruments, art supplies, and office products. With a history dating back to 1946, Pentel is renowned for its innovation, quality, and commitment to environmental sustainability. Their wide range of products includes pens, pencils, markers, brush pens, highlighters, correction fluids, and mechanical pencils. Pentel is dedicated to providing reliable and durable writing tools that meet the needs of consumers, professionals, and students worldwide.
This text is generated by artificial intelligence and may not be accurate.
Please report any incorrect information to support@idiyas.com
Please report any incorrect information to support@idiyas.com
4 patents (EPO):
Please report any incorrect information to support@idiyas.com