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Bruce Hamilton
Published: Wednesday, September 29, 2021 - 11:01 Just a little over a year ago we lost Hajime Oba, one of the great pioneers of Toyota Production System (TPS) learning in the United States. In 1992, he was the founding manager of the Toyota Production System Support Center (TSSC), a nonprofit affiliate of Toyota Motors of North America (TMNA), established to share TPS knowledge with North American organizations that showed a sincere commitment to learn and apply what he referred to as “true TPS.” My company, United Electric Controls, submitted a request to TSSC for assistance in 1995, and it was our good fortune to begin our TPS journey with Oba. During the next several weeks, I’ll share a few stories to honor his rare leadership. Here’s the first, which represented my first meeting with Oba, just before TSSC agreed to work with us: On the day of Hajime Oba’s initial visit to our site, I had arranged for a short meeting with our owners to discuss the nature of TSSC’s service and to reaffirm our commitment to actively support the process. Next, we went to the floor to observe. “Can you take me to shipping,” Oba requested. This location, I learned sometime later, was selected because it was the point closest to the customer. As we stood in an aisle next to the shipping department, Oba’s eyes traveled to persons working, then to pallets of material, and then to the shipping dock. After a minute, he turned his glance to me for a moment and then back to a scan of the shipping area. He was sizing up the situation both as a whole and as a series of operations. I heard a faint murmur as he watched: “Hmm.” Then, he turned back to me and asked this question: “Where’s the shipping?” I responded, “It’s right here, we’re looking at it.” Unimpressed with my answer, Oba murmured again as he turned away as if to invite me to watch with him. As we observed, he declared, “I don’t see anything shipping.” “Oh,” I thought to myself. He was not referring to the department. He was asking why no products were leaving the shipping dock en route to the customer. “It’s still early in the day.” I explained, “Our first shipment is not until 10 a.m.” Even as I uttered these words, I realized this was a bad answer. “Why 10 a.m.?” Oba inquired. “Because that’s when UPS picks up,” I said. Oba looked at me with an expression of mild impatience, but as I was waiting for another “why,” he shifted his line of questioning. I suspect he felt he’d already made his point. Instead he walked to a pallet of goods sitting next to the aisle and, pointing to it, asked, “When is this shipping?” A little frustrated at my ignorance, I explained that I’d have to check with the shipping supervisor to answer that question. Mr. Oba waited while I went in search of information. I returned with an answer that I felt would conclude this line of questioning: “The supervisor says this order is on credit hold.” In my mind, the order status was beyond the purview of operations. But Mr. Oba persisted. “How long has it been sitting here?” Once again, I had no answer and had to rely on my shipping supervisor, who advised that that order had been sitting complete for nearly a month! As I related that information to Oba, his gaze seemed to ask, “What kind VP of operations would let a customer order sit in plain site for a month?” I was embarrassed but foolishly persisted, “It’s on credit hold, and we can’t do anything about that.” “Why is it on credit hold?” Oba asked. Flustered, I replied, “I don’t know, but I’ll find out.” A call to our accounting department yielded a “We’ll have to check into that” response. I promised Oba I would find the answer. About an hour later, I received an explanation that was both humiliating and illuminating. The order was on credit hold because one of our largest distributors, ABC Sales, had exceeded their credit limit. “Are they a bad payer?” I asked Bob, our accounts receivable associate. “Oh no, they’re just buying a lot this month and that puts them over their credit limit,” he said. “Then why don’t you release them from credit hold?” I asked. Bob responded, “We will, absolutely, if we are authorized by sales management.” My credit hold odyssey continued to the sales department. “Why haven’t you released ABC Sales’ order from credit hold?” I asked Charlie, the sales manager. Charlie explained, “We have no internal visibility of orders on hold. Unfortunately, we usually find out when customers like ABC Sales call us to complain about a late shipment.” Several hours had passed. Oba had already departed but was aware of my investigatory efforts if not the final answer to his question. Ultimately, that answer led to a process change that would trigger a credit hold inquiry immediately rather than after a customer complaint. I asked myself, why had I not seen what Oba had uncovered in a glance? I missed the details, and I also could not see the big picture. Perhaps that was Oba’s first lesson for me. Quality Digest does not charge readers for its content. We believe that industry news is important for you to do your job, and Quality Digest supports businesses of all types. However, someone has to pay for this content. And that’s where advertising comes in. Most people consider ads a nuisance, but they do serve a useful function besides allowing media companies to stay afloat. They keep you aware of new products and services relevant to your industry. All ads in Quality Digest apply directly to products and services that most of our readers need. You won’t see automobile or health supplement ads. So please consider turning off your ad blocker for our site. Thanks, Bruce Hamilton, president of the Greater Boston Manufacturing Partnership (GBMP), brings hands-on experience as a manager, teacher, and change agent. Prior to GBMP, Hamilton led efforts to transform United Electric Controls Co.’s production from a traditional batch factory to a single-piece-flow environment that has become an international showcase. Hamilton has spoken internationally on lean manufacturing, employee involvement, continuous improvement, and implementing change. Also, he has contributed to numerous texts ranging from visual control to variety reduction. Hamilton’s blog, Old Lean Dude, is an ongoing reflection on lean philosophy and practices, with an emphasis on keeping good jobs close to home.My First Lesson
How a TPS teacher sees a shipping department
Hajime Oba
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Bruce Hamilton
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