TK

Toshifumi Kawamura

JM Jx Nippon Mining & Metals: 4 patents #67 of 262Top 30%
PE Petoca: 4 patents #7 of 46Top 20%
NC Nippon Mining & Metals Co.: 2 patents #49 of 166Top 30%
JM Jx Metals: 1 patents #22 of 59Top 40%
TK Tanaka Kikinzoku Kogyo K.K.: 1 patents #216 of 436Top 50%
Overall (All Time): #443,757 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
12026867 Apparatus for analyzing composition of electronic and electrical device part scraps, device for processing electronic and electrical device part scraps, and method for processing electronic and electrical device part scraps Tomonari Goda 2024-07-02
10647589 Polyoxometalate and method for producing polyoxometalate 2020-05-12
10538849 Method for recovering at least one valuable containing tungsten 2020-01-21
10422022 Method for producing tungsten 2019-09-24
10227235 Method for producing tungsten carbide 2019-03-12
8043705 Resin substrate material, electronic component substrate material manufactured by electroless plating on the same, and method for manufacturing electronic component substrate material Toru Imori 2011-10-25
7713340 Pretreating agent for electroless plating, method of electroless plating using the same and product of electroless plating Jun Suzuki, Toru Imori 2010-05-11
5888928 Process for producing activated carbon fiber molding and activated carbon fiber molding Tomiji Hosotsubo, Kouichi Miura, Hiroyuki Nakagawa 1999-03-30
5547363 Nozzle for spinning pitch-based carbon fibers Yasuyuki Takai, Tetsuo Yamada, Susumu Shimizu, Haruki Yamasaki 1996-08-20
5308599 Process for producing pitch-based carbon fiber Takashi Maeda 1994-05-03
5292473 Process for preparing pitch for matrix Takashi Maeda 1994-03-08