MN

Masamitsu Nagahama

TC Toppan Printing Co.: 9 patents #51 of 1,467Top 4%
PK Pentel Kabushiki Kaisha: 4 patents #13 of 170Top 8%
SA Sato: 2 patents #61 of 223Top 30%
TO Toppan: 1 patents #51 of 177Top 30%
Overall (All Time): #263,696 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
12263660 Decorative sheet Mami NAGASHIMA, Masatoshi Takahashi 2025-04-01
11446906 Decorative sheets Yoshimi YAMASAKI, Mami NAGASHIMA, Masatoshi Takahashi 2022-09-20
11230631 Decorative sheet, and transparent resin sheet Shinichi Miyamoto, Masashi Hattori, Akira Sato, Masatoshi Takahashi 2022-01-25
11148403 Decorative sheet Mami Kudo, Eiichi Higashikawa, Akira Sato, Masatoshi Takahashi 2021-10-19
10981364 Decorated sheet Hisashi Ikeda, Tatsuhiko Furuta, Shinichi Miyamoto, Akira Sato, Masatoshi Takahashi 2021-04-20
10906280 Decorative sheet Shinichi Miyamoto, Masashi Hattori, Akira Sato, Masatoshi Takahashi 2021-02-02
10899117 Decorative sheet and method of producing decorative sheet Naoyuki Shibayama, Akira Sato, Masatoshi Takahashi 2021-01-26
10703079 Decorative sheet and method of producing the same Megumi KASHIWAME, Masashi Hattori, Tatsuhiko Furuta, Akira Sato, Masatoshi Takahashi 2020-07-07
10661538 Decorative sheet Shinichi Miyamoto, Akira Sato, Masatoshi Takahashi 2020-05-26
10518510 Decorative sheet and method of manufacturing the same Eiichi Higashikawa, Akira Sato, Masatoshi Takahashi 2019-12-31
10026341 Label, wristband clip, paper material and ink ribbon containing carbon dioxide absorbent liposome Hiromi Yamamuro, Yoshihito Fujii, Shigeru Kido, Akira Sato, Masahiko Abe 2018-07-17
9489872 Label, printing paper top layer formation material, information-bearing medium, wristband clip, and carbon dioxide reduction method using same Hiromi Yamamuro, Yoshihito Fujii, Shigeru Kido, Akira Sato, Masahiko Abe 2016-11-08
5352051 Writing instrument Takashi Tamura, Koichi Enuma, Yoshihiro Wada, Masayuki Kawasaki, Kazuo Sakai +1 more 1994-10-04
5217313 Writing instrument Takashi Tamura, Koichi Enuma, Yoshihiro Wada, Masayuki Kawasaki, Kazuo Sakai +1 more 1993-06-08
5085534 Mechanical pencil lead protection pipe with protuberance Kamakura Kenichi, Nobuo Murasawa, Tsukasa Sasaki, Yuichi Miyahara, Hiroaki Okabayashi +2 more 1992-02-04
4824271 Nib for writing instruments Masaaki Ohsawa, Masayuki Kawasaki 1989-04-25
4708508 Ink guide for writing instruments Kazunori Suzuki 1987-11-24